On the upside
Bargain hunters lifted shares of Knight Capital Group (NYSE: KCG) whose stock price fell yesterday after Forbes reported that August trading volume plummeted 44% compared with July volume after a computer error on August 1 cost the company $440 million.
Alpha Natural Resources' (NYSE: ANR) Centre County Strips mine received the Sentinels of Safety Award from the National Mining Association.
On the downside
Gevo (Nasdaq: GEVO) stock extended its losses after announcing plans to halt isobutanol production to switch to ethanol.
NuPathe (Nasdaq: PATH) will sell $28 million worth of securities through a private placement.
Blyth (NYSE: BTH) nutritional supplement unit ViSalus withdrew its proposal for an initial public offering.
In the broad market, declining issues outpaced advancers by a margin of nearly 5 to 3 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks lost 4 points to 834.