Why investors should be preparing for Nasdaq 5000 By: CNBC.com News January 21, 2015 at 08:50 AM EST The Nasdaq is nearing the 5,000 mark, a level not seen since the dot-com bubble in March 2000. Should tech investors be worried or elated? Read More >> Related Stocks: Amazon.com Apple Cisco Systems Comcast Corp Facebook Gilead Sciences Google, Inc. Intel Corp Microsoft Nasdaq OMX Group QWEST CORPORATION 7.375 NOTES DUE 2051 Qualcomm, Inc. Time Warner Yahoo