Palm Beach, FL 6/6/12 (StreetBeat) -- Here are some of the most active stocks in U.S. trading this Wednesday:
Ancestry.com (Nasdaq:ACOM +11.10%) shares added 10%. Bloomberg News, citing people familiar with the matter, reports that the company is mulling selling itself and has hired Frank Quattrone’s Qatalyst Partners LLC to find buyers.
BioSante Pharmaceuticals (Nasdaq:BPAX +8.21%) rose 7.7%. The firm is scheduled to present at an investment conference sponsored by Jefferies & Co. later Wednesday..
Shares of Amyris (Nasdaq:AMRS +17.17%) rose about 16% on Wednesday. The move follows a big gain the previous session after the company, a biofuels maker, said its jetfuel will be used as part of demonstration project at a U.N conference in Brazil later this month.
Mattress Firm (Nasdaq:MFRM -32.43%) shares fell 31%. The company’s quarterly sales missed estimates.
Mitcham Industries Inc. (Nasdaq:MIND -6.72%) shares fell 6.7%. The company said late Tuesday that its first-quarter earnings rose 39%, but they came in under Wall Street expectations. Revenue and profit margins were also weaker than expected.
Select Comfort Corp. (Nasdaq:SCSS -19.49%) shares dropped 22% on Wednesday. A day earlier the company unveiled management changes.
Tempur-Pedic International Inc. (NYSE:TPX -47.29%) shares fell 46% after the company cut its earnings outlook.
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