Gemphire Therapeutics stock tumbles 17% premarket after trial halt

Shares of Aldeyra Therapeutics Inc. rocketed 35% toward a record high in active premarket trade Wednesday, after the biotechnology company announced positive results from a phase 1/2 trial of its treatment for pleural m.....»»

Viking Therapeutics Inc. shares surged x% in premarket trade Monday, after the company reported positive results in a mid-stage trial of a treatment for broken hips. The company said its Phase 2 trial of VK5.....»»

Shares of Proteostasis Therapeutics Inc. more than tripled (up 207%) in premarket trade on heavy volume, after the biopharmaceutical company announced positive results from .....»»

Mirati Therapeutics Inc. shares dropped 30% in Monday premarket trade after the company presented results from a phase 2 trial in which its cancer drug sitravatinib was combined with Bristol-Myers Squibb Co.'s cancer drug Opdivo . The trial enrolled p.....»»

Shares of Adaptimmune Therapeutics PLC slumped 21% in morning trade Monday, after the results from a trial of its cancer treatment prompted Raymond James to slash its price target. The biopharmaceutical company.....»»

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Shares of Myovant Sciences Ltd. were down 5.7% in premarket trading on Wednesday after the company told investors that the Food and Drug Administration had placed a partial clinical hold on a study assessing an experimental birth c.....»»

Shares of Sarepta Therapeutics Inc. gained 11.3% in trading on Tuesday after the co.....»»

Shares of Trade Desk Inc. tumbled 11.1 % toward a 6-month low in premarket .....»»

Shares of Inovio Pharmaceuticals Inc. gained 8.0% in premarket trading on Monday after the company said its experimental COVID-19 vaccine was safe and also triggered antibody titers in 400 or so adult participants in a P.....»»

Shares of Hertz Global Holdings Inc. tumbled 9.9% in premarket trading, after the bankrupt car rental company said it received a revised proposal for its Chapter 11 exit from affiliates of Knighthead Capital Management LLC, Ce.....»»

Shares of GameStop Corp. tumbled 9.7% in premarket trading Monday, after the videogame and consumer electronics retailer announced plans to sell up to 3......»»

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Shares of Evofem Biosciences Inc. tumbled 24.9% toward a record low in premarket trading Thursday, after the biopharmaceutical company focused on women's sexual and reproductive health announced .....»»

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Shares of Second Sight Medical Products Inc. tumbled 25% to pace all premarket decliners on Wednesday, after the implantable visual prosthetics company announced a large private place.....»»

ShaShares of Eli Lilly & Co. were down 5.2% in premarket trading on Monday, two days after the drug maker said additional clinical-trial data reinforced the role its experi.....»»

Shares of Guardion Health Sciences Inc. tumbled 24.0% in premarket trading Friday, after the medical foods company focused on ocular health said it was implementing a 1-for-6 reverse stock split, to help maintain listing requirements. The revers.....»»

Shares of Foot Locker Inc. tumbled 9.0% in premarket trading Friday, after the athletic footwear and accessories retai.....»»

Shares of Tesla Inc. tanked 6.0% in premarket trading Tuesday, which puts them on track to open about 24% below their record close. Many on Wall Street define a bear .....»»