Mid-Afternoon Market Update: Crude Oil Down 4%; Imperva Shares Spike Higher By: Benzinga via Benzinga September 23, 2016 at 14:55 PM EDT Toward the end of trading Friday, the Dow traded down 0.56 percent to 18,288.88 while the NASDAQ declined 0.50 percent to ... Read More >> Related Stocks: AC Immune S.A. Alphabet-C Cisco Systems Enphase Energy Inc Hornbeck Offshore Services Houghton Mifflin Har International Business Machines Rave Restaurant Group Salesforce The Finish Line, Inc. - Class A Common Stock Twitter, Inc.