This is Wednesday’s biggest winner and loser.
Biggest Winner
Shares of Groupon Inc. (NASDAQ: GRPN) are up 8.74% to $5.10 on trading volume of 9.4 million shares. The daily-deals company on Wednesday announced it had introduced a mobile payment service for Apple Inc.’s (NASDAQ: AAPL) iPad and iPod Touch. The 52-week high is $31.14.
Biggest Loser
Shares of Questor Pharmaceuticals Inc. (NASDAQ: QCOR) are down 35.61% to $32.52 on trading volume of 10.8 million shares. Citron Research announced that Aetna Inc. (NYSE: AET) is dropping nearly all of its coverage for Questor’s drug to help treat multiple sclerosis and nephrotic syndrome, according to theflyonthewall.com. The 52-week low is $24.14.
Samuel Weigley
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