Costco earnings report was boosted by a tax benefit related to its special cash dividend last month.
Smith & Wesson beat on both the top and bottom lines, and its stock shot up nearly 9 percent.
Best Buy reported higher-than-expected quarterly earnings on a strong holiday season and said it would buy back stock for the first time since 2012.
U.K bank Barclays posted a loss in its full-year earnings on Tuesday as it set aside more money for potential fines.
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