Herbalife crushed expectations on its fourth-quarter earnings, but shares vacillated in after-hours trading.
J.C. Penney reported break-even results on Thursday, missing estimates for profit of 11 cents a share.
Gap warned that the slowdown at the West Coast ports would negatively affect its 2015 earnings.
Sears, owner of Sears department stores and the Kmart discount chain, reported its 11th straight quarterly loss as sales continued to tumble.
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