Check out which companies are making headlines before the bell Thursday:
Sears - The retailer posted earnings of $1.12 a share on revenue of $12.3 billion, easily topping expectations for 98 cents a share on sales of $11.77 billion.
Kohl's - The department store chain posted lower-than-expected earnings and forecast full-year profit that missed Wall Street estimates. The company also said it expects same-store sales to be between flat to up 2 percent this year.
Groupon - Groupon was downgraded to "underperform" from "neutral" by at least two brokerages, and to "market perform" from "outperform" at Wells Fargo a day after the deal-a-day website posted earnings that missed estimates on revenue of $638 million, in line with expectations. The company also handed in current-quarter earnings guidance that widely missed Wall Street projections.
EBay - BMO initiated coverage of the online auction company with an "outperform" rating.
Boston Beer - The maker of Samuel Adams beer was downgraded to "perform/hold" from "outperform/buy" at Williams Financial Group, but the brokerage raised its price target to $160 from $130.
Vitamin Shoppe - The nutritional supplements retailer was downgraded to "neutral" from "buy" at Bank of America/Merrill Lynch.
Molycorp - The rare earth producer said it is delaying its quarterly results and its annual report, citing it's struggle to determine the size of a goodwill impairment charge that it must take in the fourth quarter.
—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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