9 Biggest Mid-Day Gainers For Monday By: Benzinga via Benzinga June 27, 2016 at 12:33 PM EDT HeartWare International Inc (NASDAQ: HTWR) shares jumped 92 percent to $57.52 in pre-market trading after Medtronic ... Read More >> Related Stocks: Akers Biosciences Barrick Gold Corp Cryoport Inc Gw Pharma ADR Medtronic People's United Financial Vista Gold Corp