Red Hat - The open-source software company jumped after posting better-than-expected third-quarter results.
Family Dollar Stores - The retailer declined after CNBC's David Faber said the company will delay a shareholder vote on the potential acquisition by Dollar Tree.
Alibaba - The company fell after an agreement preventing 8.1 million shares held by insiders from being sold expired.
Unilever - The maker of mayonnaise dropped its lawsuit against Hampton Creek over the labeling of its Just Mayo product.
Cerus - The company gained after saying the FDA had approved its blood transfusion device for platelets.
Facebook - The social network rose as Citi raised its price target to $91 from $86.
Carnival - The cruise line operator reported better-than-expected four-quarter results.
Exxon Mobil - The oil producer and others including Chevron, Hess and BP rose with oil.
Target - The discount retailer fell as a judge said consumers can sue over a data breach.
(See CNBC's Market Insider Blog)
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