GNMK - GenMark Diagnostics EPS beats by $0.02 beats on revenue May, 04 2020 04:11 PM GenMark Diagnostics Inc. GenMark Diagnostics (NASDAQ:GNMK): Q1 GAAP EPS of -$0.12 beats by $0.02.More news on: GenMark Diagnostics, Inc., Earnings news and commentary, Stocks on the move, Healthcare stocks news, Read more ...