20 Biggest Mid-Day Gainers For Thursday By: Benzinga via Benzinga August 03, 2017 at 12:27 PM EDT Stamps.com Inc. (NASDAQ: STMP) shares surged 29.6 percent to $196.00 as the company posted upbeat Q2 results and raised its FY17 ... Read More >> Related Stocks: Alteryx Inc Central Garden Eclipse Resources Corp Electro Sci Inds Fitbit Inc Formfactor Inc Health Insurance Inn Insight Enterpr Intricon Corp Oclaro Orasure Tech Inc Qualys Inc Sodastream Int Ltd Solaredge Tech Stamps.com Inc Stoneridge Inc Take-Two Interactive Tesla, Inc. Ubiquiti Networks