18 Biggest Mid-Day Gainers For Friday By: Benzinga via Benzinga September 23, 2016 at 12:39 PM EDT AC IMMUNE SA (NASDAQ: ACIU) shares surged 48 percent to $16.30. AC IMMUNE priced its IPO at $11 per ... Read More >> Related Stocks: AAR Corp AC Immune S.A. Achison Inc Allegiant Travel Com Alphabet-C Apptio Inc Biodelivery Sci Intl Biolinerx Ltd ADR CBOE Global Markets Inc Cisco Systems Endo Int'l Plc Gridsum Holding Inc International Business Machines Novavax Inc Packaging Corp of America Salesforce Santander Consumer USA Holdings Twitter, Inc. Yelp Inc