Recent Quotes
My Watchlist
Indicators
Markets
Stocks
ETFs
Tools
Overview
News
Currencies
International
Treasuries

(IX: )

N/A UNCHANGED
Last Price Updated: Add to My Watchlist
Quote
Overview Detailed Quote Charting Historical Prices
News
All News News Headlines Press Releases
Research
Quarterly Reports Insider Filings Other Filings

Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Oct 29, 2004 3965 3994 3950 3960 0 +0.66(+0.02%)
Oct 28, 2004 3952 3976 3948 3960 0 +30.56(+0.78%)
Oct 27, 2004 3882 3929 3866 3929 0 +66.77(+1.73%)
Oct 26, 2004 3862 3871 3844 3862 0 +7.85(+0.20%)
Oct 25, 2004 3880 3880 3839 3854 0 -80.73(-2.05%)
Oct 22, 2004 3933 3968 3924 3935 0 +1.08(+0.03%)
Oct 21, 2004 3929 3947 3895 3934 0 +21.66(+0.55%)
Oct 20, 2004 3918 3918 3890 3912 0 -51.73(-1.30%)
Oct 19, 2004 3945 3983 3945 3964 0 +48.96(+1.25%)
Oct 18, 2004 3927 3937 3898 3915 0 -6.94(-0.18%)
Oct 15, 2004 3937 3937 3897 3922 0 -18.35(-0.47%)
Oct 14, 2004 3961 3961 3929 3940 0 -35.57(-0.89%)
Oct 13, 2004 3968 4016 3968 3976 0 +18.43(+0.47%)
Oct 12, 2004 4011 4011 3944 3958 0 -60.22(-1.50%)
Oct 11, 2004 4012 4027 4005 4018 0 +2.28(+0.06%)
Oct 08, 2004 4029 4066 4002 4016 0 -27.82(-0.69%)
Oct 07, 2004 4063 4077 4034 4043 0 -6.30(-0.16%)
Oct 06, 2004 4046 4062 4031 4050 0 +0.95(+0.02%)
Oct 05, 2004 4034 4078 4024 4049 0 +15.43(+0.38%)
Oct 04, 2004 4006 4059 4006 4033 0 +38.32(+0.96%)
Oct 01, 2004 3895 3996 3895 3995 0 +102.06(+2.62%)
Sep 30, 2004 3935 3951 3888 3893 0 -27.46(-0.70%)
Sep 29, 2004 3884 3944 3884 3920 0 +38.09(+0.98%)
Sep 28, 2004 3868 3889 3848 3882 0 +7.90(+0.20%)
Sep 27, 2004 3906 3906 3859 3874 0 -35.93(-0.92%)
Sep 24, 2004 3901 3918 3888 3910 0 +4.64(+0.12%)
Sep 23, 2004 3927 3929 3895 3906 0 -36.69(-0.93%)
Sep 22, 2004 3990 3999 3936 3942 0 -48.67(-1.22%)
Sep 21, 2004 3977 3998 3969 3991 0 +13.34(+0.34%)
Sep 20, 2004 3986 3986 3954 3978 0 -10.39(-0.26%)
Sep 17, 2004 3963 4000 3956 3988 0 +24.42(+0.62%)
Sep 16, 2004 3942 3968 3941 3964 0 +21.90(+0.56%)
Sep 15, 2004 3950 3971 3928 3942 0 -6.00(-0.15%)
Sep 14, 2004 3954 3955 3933 3948 0 -5.56(-0.14%)
Sep 13, 2004 3890 3953 3890 3953 0 +67.28(+1.73%)
Sep 10, 2004 3855 3897 3855 3886 0 +34.81(+0.90%)
Sep 09, 2004 3868 3868 3836 3851 0 -32.94(-0.85%)
Sep 08, 2004 3891 3899 3875 3884 0 -4.88(-0.13%)
Sep 07, 2004 3889 3905 3874 3889 0 +1.46(+0.04%)
Sep 06, 2004 3867 3892 3867 3888 0 +20.59(+0.53%)
Sep 03, 2004 3835 3883 3823 3867 0 +33.54(+0.87%)
Sep 02, 2004 3815 3845 3798 3833 0 +15.83(+0.41%)
Sep 01, 2004 3794 3828 3792 3818 0 +32.41(+0.86%)
Aug 31, 2004 3830 3830 3778 3785 0 -53.64(-1.40%)
Aug 30, 2004 3849 3853 3819 3839 0 -12.33(-0.32%)
Aug 27, 2004 3833 3856 3812 3851 0 +18.90(+0.49%)
Aug 26, 2004 3797 3839 3797 3832 0 +43.40(+1.15%)
Aug 25, 2004 3790 3802 3771 3789 0 +17.88(+0.47%)
Aug 24, 2004 3771 3800 3766 3771 0 -1.14(-0.03%)
Aug 23, 2004 3722 3782 3722 3772 0 +59.53(+1.60%)
Aug 20, 2004 3717 3724 3690 3713 0 -10.38(-0.28%)
Aug 19, 2004 3730 3759 3706 3723 0 -3.51(-0.09%)
Aug 18, 2004 3705 3728 3678 3726 0 +20.77(+0.56%)
Aug 17, 2004 3696 3736 3679 3706 0 +6.62(+0.18%)
Aug 16, 2004 3643 3703 3619 3699 0 +52.12(+1.43%)
Aug 13, 2004 3649 3663 3619 3647 0 -11.12(-0.30%)
Aug 12, 2004 3684 3708 3632 3658 0 -20.80(-0.57%)
Aug 11, 2004 3723 3731 3637 3679 0 -41.73(-1.12%)
Aug 10, 2004 3692 3721 3686 3721 0 +30.31(+0.82%)
Aug 09, 2004 3727 3737 3666 3690 0 -37.41(-1.00%)
Aug 06, 2004 3819 3819 3719 3728 0 -101.29(-2.65%)
Aug 05, 2004 3834 3859 3829 3829 0 +5.29(+0.14%)
Aug 04, 2004 3867 3867 3807 3824 0 -53.58(-1.38%)
Aug 03, 2004 3869 3892 3865 3877 0 +14.61(+0.38%)
Aug 02, 2004 3891 3891 3842 3863 0 -32.90(-0.84%)
Jul 30, 2004 3901 3911 3867 3896 0 +5.93(+0.15%)
Jul 29, 2004 3815 3895 3815 3890 0 +82.47(+2.17%)
Jul 28, 2004 3829 3857 3798 3807 0 -6.87(-0.18%)
Jul 27, 2004 3755 3815 3755 3814 0 +61.49(+1.64%)
Jul 26, 2004 3796 3811 3749 3753 0 -44.74(-1.18%)
Jul 23, 2004 3805 3825 3785 3797 0 -3.72(-0.10%)
Jul 22, 2004 3867 3867 3796 3801 0 -76.43(-1.97%)
Jul 21, 2004 3850 3899 3850 3877 0 +39.88(+1.04%)
Jul 20, 2004 3809 3840 3785 3838 0 +24.97(+0.65%)
Jul 19, 2004 3845 3846 3813 3813 0 -33.30(-0.87%)
Jul 16, 2004 3848 3883 3838 3846 0 -1.26(-0.03%)
Jul 15, 2004 3898 3898 3847 3847 0 -51.65(-1.32%)
Jul 14, 2004 3895 3899 3851 3899 0 -5.04(-0.13%)
Jul 13, 2004 3897 3919 3892 3904 0 +10.64(+0.27%)
Jul 12, 2004 3912 3928 3884 3893 0 -31.25(-0.80%)
Jul 09, 2004 3932 3933 3883 3924 0 -9.99(-0.25%)
Jul 08, 2004 3921 3937 3895 3934 0 +3.90(+0.10%)
Jul 07, 2004 3944 3959 3922 3931 0 -14.30(-0.36%)
Jul 06, 2004 4002 4008 3936 3945 0 -50.85(-1.27%)
Jul 05, 2004 3998 4012 3991 3996 0 -3.04(-0.08%)
Jul 02, 2004 4030 4030 3990 3999 0 -36.25(-0.90%)
Jul 01, 2004 4078 4102 4027 4035 0 -17.71(-0.44%)
Jun 30, 2004 4070 4091 4053 4053 0 -17.00(-0.42%)
Jun 29, 2004 4068 4086 4050 4070 0 +0.38(+0.01%)
Jun 28, 2004 4017 4077 4004 4069 0 +56.00(+1.40%)
Jun 25, 2004 4007 4020 3987 4013 0 +6.30(+0.16%)
Jun 24, 2004 3954 4013 3954 4007 0 +61.95(+1.57%)
Jun 23, 2004 3934 3967 3934 3945 0 +16.71(+0.43%)
Jun 22, 2004 3985 3985 3916 3928 0 -60.92(-1.53%)
Jun 21, 2004 4008 4029 3978 3989 0 -10.48(-0.26%)
Jun 18, 2004 3976 4005 3966 4000 0 +14.33(+0.36%)
Jun 17, 2004 3997 4019 3972 3985 0 -17.78(-0.44%)
Jun 16, 2004 3991 4015 3991 4003 0 +15.94(+0.40%)
Jun 15, 2004 3946 3995 3933 3987 0 +38.65(+0.98%)
Jun 14, 2004 4009 4009 3939 3949 0 -65.91(-1.64%)
Jun 11, 2004 4017 4019 3993 4015 0 -7.08(-0.18%)
Jun 10, 2004 3997 4027 3993 4022 0 +23.88(+0.60%)
Jun 09, 2004 4024 4036 3991 3998 0 -21.19(-0.53%)
Jun 08, 2004 4022 4041 4003 4019 0 +1.14(+0.03%)
Jun 07, 2004 3973 4025 3973 4018 0 +55.88(+1.41%)
Jun 04, 2004 3918 3974 3914 3962 0 +44.85(+1.14%)
Jun 03, 2004 3890 3918 3871 3917 0 +28.77(+0.74%)
Jun 02, 2004 3869 3918 3869 3888 0 +24.13(+0.62%)
Jun 01, 2004 3924 3930 3856 3864 0 -57.23(-1.46%)
May 31, 2004 3904 3928 3898 3921 0 +18.69(+0.48%)
May 28, 2004 3922 3941 3892 3903 0 -10.61(-0.27%)
May 27, 2004 3872 3927 3872 3913 0 +45.81(+1.18%)
May 26, 2004 3831 3901 3831 3868 0 +39.45(+1.03%)
May 25, 2004 3860 3860 3810 3828 0 -39.77(-1.03%)
May 24, 2004 3842 3901 3842 3868 0 +36.00(+0.94%)
May 21, 2004 3842 3869 3809 3832 0 -7.48(-0.19%)
May 20, 2004 3856 3856 3812 3839 0 -32.94(-0.85%)
May 19, 2004 3799 3883 3799 3872 0 +83.02(+2.19%)
May 18, 2004 3757 3797 3754 3789 0 +34.87(+0.93%)
May 17, 2004 3801 3801 3710 3754 0 -48.73(-1.28%)
May 14, 2004 3825 3833 3770 3803 0 -21.83(-0.57%)
May 13, 2004 3782 3827 3780 3825 0 +48.69(+1.29%)
May 12, 2004 3847 3852 3770 3776 0 -73.60(-1.91%)
May 11, 2004 3791 3851 3791 3850 0 +65.23(+1.72%)
May 10, 2004 3895 3895 3776 3785 0 -111.03(-2.85%)
May 07, 2004 3910 3923 3853 3896 0 -13.82(-0.35%)
May 06, 2004 4012 4013 3901 3909 0 -112.64(-2.80%)
May 05, 2004 3976 4029 3964 4022 0 +31.35(+0.79%)
May 04, 2004 4002 4019 3976 3991 0 -16.90(-0.42%)
May 03, 2004 3973 4011 3946 4008 0 +22.44(+0.56%)
Apr 30, 2004 3999 4008 3969 3985 0 -23.70(-0.59%)
Apr 29, 2004 4051 4062 3987 4009 0 -56.83(-1.40%)
Apr 28, 2004 4130 4134 4063 4066 0 -68.36(-1.65%)
Apr 27, 2004 4125 4151 4113 4134 0 +8.27(+0.20%)
Apr 26, 2004 4106 4157 4106 4126 0 +22.21(+0.54%)
Apr 23, 2004 4080 4129 4080 4104 0 +44.47(+1.10%)
Apr 22, 2004 4043 4063 4002 4059 0 +33.00(+0.82%)
Apr 21, 2004 4050 4055 4013 4026 0 -34.98(-0.86%)
Apr 20, 2004 4034 4083 4034 4061 0 +36.06(+0.90%)
Apr 19, 2004 4033 4041 3996 4025 0 -8.91(-0.22%)
Apr 16, 2004 4005 4044 3987 4034 0 +29.37(+0.73%)
Apr 15, 2004 4011 4034 3989 4005 0 -8.16(-0.20%)
Apr 14, 2004 4059 4059 3970 4013 0 -58.65(-1.44%)
Apr 13, 2004 4016 4094 4016 4071 0 +1178.79(+40.75%)
Apr 12, 2004 2893 2893 2893 2893 0 -1120.90(-27.93%)
Apr 08, 2004 4031 4058 4005 4014 0 +12.37(+0.31%)
Apr 07, 2004 4024 4049 4000 4001 0 -21.65(-0.54%)
Apr 06, 2004 4065 4066 4011 4023 0 -25.79(-0.64%)
Apr 05, 2004 4015 4059 4006 4049 0 +41.00(+1.02%)
Apr 03, 2004 3924 4008 3922 4008 0 +82.75(+2.11%)
Apr 02, 2004 3858 3929 3857 3925 0 +68.15(+1.77%)
Apr 01, 2004 3876 3901 3840 3857 0 -17.34(-0.45%)
Mar 31, 2004 3880 3884 3846 3874 0 -7.21(-0.19%)
Mar 30, 2004 3828 3886 3824 3881 0 +0.00(+0.00%)
Mar 29, 2004 3828 3886 3824 3881 0 +58.92(+1.54%)
Mar 27, 2004 3835 3850 3802 3822 0 +10.41(+0.27%)
Mar 26, 2004 3730 3812 3730 3812 0 +85.85(+2.30%)
Mar 25, 2004 3732 3758 3692 3726 0 -2.75(-0.07%)
Mar 24, 2004 3723 3773 3715 3729 0 -0.41(-0.01%)
Mar 23, 2004 3803 3803 3696 3729 0 +0.00(+0.00%)
Mar 22, 2004 3803 3803 3696 3729 0 -89.92(-2.35%)
Mar 20, 2004 3838 3863 3805 3819 0 -8.28(-0.22%)
Mar 19, 2004 3898 3903 3822 3827 0 -69.36(-1.78%)
Mar 18, 2004 3828 3903 3828 3897 0 +74.42(+1.95%)
Mar 17, 2004 3811 3851 3775 3822 0 +11.61(+0.30%)
Mar 16, 2004 3909 3910 3808 3811 0 +0.00(+0.00%)
Mar 15, 2004 3909 3910 3808 3811 0 -104.62(-2.67%)
Mar 13, 2004 3880 3920 3825 3915 0 +10.43(+0.27%)
Mar 12, 2004 4041 4041 3876 3905 0 -139.75(-3.46%)
Mar 11, 2004 4078 4078 4025 4045 0 -42.85(-1.05%)
Mar 10, 2004 4144 4144 4077 4088 0 -58.44(-1.41%)
Mar 09, 2004 4131 4163 4131 4146 0 +0.00(+0.00%)
Mar 08, 2004 4131 4163 4131 4146 0 +19.85(+0.48%)
Mar 06, 2004 4137 4152 4091 4126 0 -7.64(-0.18%)
Mar 05, 2004 4077 4139 4077 4134 0 +62.08(+1.52%)
Mar 04, 2004 4089 4096 4058 4072 0 -28.64(-0.70%)
Mar 03, 2004 4057 4101 4057 4100 0 +45.91(+1.13%)
Mar 02, 2004 4026 4061 4026 4054 0 +0.00(+0.00%)
Mar 01, 2004 4026 4061 4026 4054 0 +36.27(+0.90%)
Feb 28, 2004 4027 4053 4018 4018 0 +10.35(+0.26%)
Feb 27, 2004 4008 4019 3974 4008 0 +12.47(+0.31%)
Feb 26, 2004 3993 4008 3960 3995 0 +3.92(+0.10%)
Feb 25, 2004 4068 4068 3968 3991 0 -77.29(-1.90%)
Feb 24, 2004 4074 4106 4065 4069 0 +0.00(+0.00%)
Feb 23, 2004 4074 4106 4065 4069 0 -4.64(-0.11%)
Feb 21, 2004 4125 4136 4056 4073 0 -68.18(-1.65%)
Feb 20, 2004 4100 4147 4100 4142 0 +46.19(+1.13%)
Feb 19, 2004 4097 4112 4085 4095 0 -0.52(-0.01%)
Feb 18, 2004 4074 4100 4071 4096 0 +25.40(+0.62%)
Feb 17, 2004 4055 4070 4040 4070 0 +0.00(+0.00%)
Feb 16, 2004 4055 4070 4040 4070 0 +13.41(+0.33%)
Feb 14, 2004 4121 4131 4048 4057 0 -64.60(-1.57%)
Feb 13, 2004 4138 4151 4106 4122 0 -0.51(-0.01%)
Feb 12, 2004 4112 4126 4101 4122 0 +11.36(+0.28%)
Feb 11, 2004 4101 4115 4083 4111 0 +11.83(+0.29%)
Feb 10, 2004 4051 4102 4051 4099 0 +0.00(+0.00%)
Feb 09, 2004 4051 4102 4051 4099 0 +53.98(+1.33%)
Feb 07, 2004 4015 4053 4008 4045 0 +30.20(+0.75%)
Feb 06, 2004 4025 4055 4010 4015 0 -13.58(-0.34%)
Feb 05, 2004 4050 4050 4009 4028 0 -29.14(-0.72%)
Feb 04, 2004 4074 4076 4019 4058 0 -14.09(-0.35%)
Feb 03, 2004 4063 4087 4046 4072 0 +0.00(+0.00%)
Feb 02, 2004 4063 4087 4046 4072 0 +13.00(+0.32%)
Jan 31, 2004 4107 4117 4049 4059 0 -37.11(-0.91%)
Jan 30, 2004 4118 4127 4092 4096 0 -54.53(-1.31%)
Jan 29, 2004 4124 4157 4106 4150 0 +15.82(+0.38%)
Jan 28, 2004 4142 4175 4129 4134 0 +5.74(+0.14%)
Jan 27, 2004 4152 4152 4116 4129 0 +0.00(+0.00%)
Jan 26, 2004 4152 4152 4116 4129 0 -23.15(-0.56%)
Jan 24, 2004 4141 4164 4131 4152 0 +11.97(+0.29%)
Jan 23, 2004 4144 4171 4129 4140 0 +1.82(+0.04%)
Jan 22, 2004 4110 4138 4099 4138 0 +31.63(+0.77%)
Jan 21, 2004 4141 4156 4102 4106 0 -33.51(-0.81%)
Jan 20, 2004 4112 4152 4112 4140 0 +0.00(+0.00%)
Jan 19, 2004 4112 4152 4112 4140 0 +28.28(+0.69%)
Jan 17, 2004 4091 4123 4091 4112 0 +42.89(+1.05%)
Jan 16, 2004 4048 4082 4027 4069 0 +13.54(+0.33%)
Jan 15, 2004 3993 4056 3980 4055 0 +58.99(+1.48%)
Jan 14, 2004 4007 4034 3991 3996 0 +0.31(+0.01%)
Jan 13, 2004 4010 4010 3980 3996 0 +0.00(+0.00%)
Jan 12, 2004 4010 4010 3980 3996 0 -20.27(-0.50%)
Jan 10, 2004 4059 4073 3983 4016 0 -29.25(-0.72%)
Jan 09, 2004 4013 4070 4013 4045 0 +41.03(+1.02%)
Jan 08, 2004 4040 4051 3986 4004 0 -31.04(-0.77%)
Jan 07, 2004 4038 4047 4003 4035 0 -0.46(-0.01%)
Jan 06, 2004 4020 4041 4001 4036 0 +0.00(+0.00%)
Jan 05, 2004 4020 4041 4001 4036 0 +17.40(+0.43%)
Jan 03, 2004 3969 4023 3969 4018 0 +0.00(+0.00%)
Jan 02, 2004 3969 4023 3969 4018 0 +53.34(+1.35%)
Dec 31, 2003 3958 3996 3958 3965 0 +12.44(+0.31%)
Dec 30, 2003 3908 3957 3908 3953 0 +0.00(+0.00%)
Dec 29, 2003 3908 3957 3908 3953 0 +1060.09(+36.65%)
Dec 26, 2003 2893 2893 2893 2893 0 -1010.71(-25.89%)
Dec 24, 2003 3884 3913 3884 3903 0 +26.40(+0.68%)
Dec 23, 2003 3892 3909 3871 3877 0 +0.00(+0.00%)
Dec 22, 2003 3892 3909 3871 3877 0 -21.48(-0.55%)
Dec 20, 2003 3882 3908 3876 3898 0 +27.54(+0.71%)
Dec 19, 2003 3847 3879 3824 3871 0 +23.31(+0.61%)
Dec 18, 2003 3870 3880 3841 3848 0 -18.41(-0.48%)
Dec 17, 2003 3863 3879 3836 3866 0 -9.49(-0.24%)
Dec 16, 2003 3867 3930 3867 3875 0 +0.00(+0.00%)
Dec 15, 2003 3867 3930 3867 3875 0 +15.34(+0.40%)
Dec 13, 2003 3865 3904 3848 3860 0 +1.28(+0.03%)
Dec 12, 2003 3833 3864 3827 3859 0 +37.93(+0.99%)
Dec 11, 2003 3842 3848 3798 3821 0 -25.26(-0.66%)
Dec 10, 2003 3813 3878 3813 3846 0 +39.64(+1.04%)
Dec 09, 2003 3835 3835 3779 3807 0 +0.00(+0.00%)
Dec 08, 2003 3835 3835 3779 3807 0 -35.19(-0.92%)
Dec 06, 2003 3856 3875 3814 3842 0 -33.05(-0.85%)
Dec 05, 2003 3872 3895 3848 3875 0 -0.88(-0.02%)
Dec 04, 2003 3808 3876 3802 3876 0 +66.40(+1.74%)
Dec 03, 2003 3822 3838 3789 3809 0 -11.94(-0.31%)
Dec 02, 2003 3753 3829 3753 3821 0 +0.00(+0.00%)
Dec 01, 2003 3753 3829 3753 3821 0 +75.25(+2.01%)
Nov 29, 2003 3748 3771 3692 3746 0 +0.96(+0.03%)
Nov 28, 2003 3742 3756 3729 3745 0 +32.01(+0.86%)
Nov 27, 2003 3731 3786 3713 3713 0 -20.18(-0.54%)
Nov 26, 2003 3744 3768 3728 3733 0 -3.93(-0.11%)
Nov 25, 2003 3643 3743 3643 3737 0 +0.00(+0.00%)
Nov 24, 2003 3643 3743 3643 3737 0 +94.84(+2.60%)
Nov 22, 2003 3638 3658 3620 3642 0 +4.21(+0.12%)
Nov 21, 2003 3664 3671 3577 3638 0 -14.25(-0.39%)
Nov 20, 2003 3660 3660 3595 3652 0 -13.99(-0.38%)
Nov 19, 2003 3693 3716 3645 3666 0 -8.26(-0.22%)
Nov 18, 2003 3793 3793 3665 3675 0 +0.00(+0.00%)
Nov 17, 2003 3793 3793 3665 3675 0 -122.86(-3.24%)
Nov 15, 2003 3752 3813 3747 3797 0 +31.81(+0.84%)
Nov 14, 2003 3756 3813 3739 3766 0 +17.25(+0.46%)
Nov 13, 2003 3730 3754 3697 3748 0 +18.47(+0.50%)
Nov 12, 2003 3739 3739 3700 3730 0 -16.37(-0.44%)
Nov 11, 2003 3778 3789 3737 3746 0 +0.00(+0.00%)
Nov 10, 2003 3778 3789 3737 3746 0 -36.32(-0.96%)
Nov 08, 2003 3744 3814 3744 3783 0 +48.63(+1.30%)
Nov 07, 2003 3720 3760 3683 3734 0 +16.23(+0.44%)
Nov 06, 2003 3737 3745 3691 3718 0 -24.01(-0.64%)
Nov 05, 2003 3743 3769 3724 3742 0 -2.79(-0.07%)
Nov 04, 2003 3658 3750 3652 3744 0 +0.00(+0.00%)
Nov 03, 2003 3658 3750 3652 3744 0 +88.51(+2.42%)
Data & News supplied by www.cloudquote.io
Stock quotes supplied by Barchart
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms and Conditions.