Amyris Inc. (AMRS) : The biotechnology company reported a bigger fourth-quarter loss than analysts estimated in a Bloomberg survey.
AutoZone Inc. (AZO) rose 5.7 percent to $387. The auto- parts retailer reported second-quarter earnings excluding some items of $4.15 a share, beating the average analyst estimate of $4.04.
Chart Industries Inc. (GTLS) fell 4.5 percent to $62.45. The maker of equipment used to produce and store industrial gases said fourth-quarter earnings excluding some items were 51 cents a share, missing the average analyst estimate of 62 cents.
EResearchTechnology Inc. (ERT) (ERT US): The maker of gear to test heart abnormalities said profit in the fourth quarter was 14 cents a share, excluding some items, beating the average analyst estimate of 10 cents.
Human Genome Sciences Inc. (HGSI) : The drugmaker posted fourth-quarter revenue of $45.5 million, topping the average analyst estimate of $42.3 million.
Linn Energy LLC (LINE) : The natural gas exploration and production company agreed to buy Hugoton Basin properties in Kansas from BP Plc for $1.2 billion, to enter the largest U.S. conventional natural gas field.
Micron Technology Inc. (MU) rose 1.6 percent to $8.70. The largest U.S. maker of memory semiconductors is expected to emerge as the top winner from the bankruptcy of Elpida Memory Inc., whose filing yesterday sidelines the last Japanese maker of computer memory chips and gives rivals the chance to scoop up factories on the cheap.
Pacific Ethanol Inc. (PEIX) : The alternative fuel producer reported a fourth-quarter loss of 3 cents a share.
Priceline.com Inc. (PCLN) rose 7.5 percent to $636. The biggest U.S. online travel agency by market value reported fourth-quarter profit and sales that exceeded analysts’ estimates after expanding into more countries and taking business from rivals.
Southwestern Energy Co. (SWN) fell 4.1 percent to $33.89. The natural gas producer cut its 2012 production estimate and reported fourth-quarter earnings of 45 cents a share, missing the average analyst estimate of 47 cents.
Sykes Enterprises Inc. (SYKE) : The operator of call centers forecast full-year earnings of $1.20 a share at most, below the average analyst estimate of $1.46.
Yahoo! Inc. (YHOO) (YHOO US) rose 1.3 percent to $15.05. The U.S. web portal asked Facebook Inc. to license technologies covered by its intellectual property and threatened to take legal action if the companies don’t reach an agreement.
Zagg Inc. (ZAGG) : The distributor of electronics accessories reported fourth-quarter earnings of 27 cents a share, excluding some items, beating the average analyst estimate of 25 cents.
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