Morning Market Movers

Aldeyra Therapeutics ALDX shares surged 14.35% to $7.65 after the company named Stephen Tulipano as its Chief Financial Officer. American Apparel APP shares surged 14.03% to $0.73 after the company's board suspended Dov Charney as CEO and named John Luttrell as Interim CEO. BlackBerry BBRY jumped 12.30% to $9.31 after the company reported a narrower-than-expected first-quarter loss. Measurement Specialties MEAS rose 10.35% to $86.07 after the company agreed to be acquired by TE Connectivity TEL for $86 cash per share. StemCells STEM climbed 10.19% to $1.73 after the company reported announced positive interim results from Phase I/II AMD trial. Ballard Power Systems BLDP climbed 8.07% to $4.49 in pre-market trading after reporting a $6 million licensing deal in China. Flexion Therapeutics FLXN shares jumped 7.85% to $16.08 after the company reported positive topline results from Phase 2a trial with FX006. The Kroger Co KR gained 5.65% to $49.94 after the company reported strong Q1 results and raised its FY outlook. Red Hat RHT gained 4.78% to $55.64 after the company reported upbeat results for the first quarter and lifted its full-year outlook. Isis Pharmaceuticals ISIS soared 4.57% to $35.27 in the pre-market trading. The rise in the stock may be attributed to NY Times article 'In Single Gene, a Path to Fight Heart Attacks', mentioning Isis.