Qualcomm rose after Goldman upgraded the technology stock to conviction buy from buy, saying it sees accelerated earnings growth in 2014.
Chegg fell in the textbook-renting provider's market debut, a day after its IPO was priced at $12.50, above the planned range.
Extended Stay America rose in the hotel chain's market debut.
QEP Resources gained after activist hedge fund Jana Partners demanded its board form a committee to evaluate a spin-off of the company's pipeline business. The activist hedge fund holds a 7.6 percent stake in the company, making it the largest stakeholder.
Sina rose after the Chinese online-media company reported stronger-than-expected third-quarter results revenue guidance that surpassed estimates.
Photronics declined after the chip-gear maker's estimated fourth-quarter results fell short of expectations.
Canadian Solar rose after the alternative-energy company posted its first profit in nine quarters.
LyondellBasell Industries climbed after the Danish chemical company increased its quarterly dividend 20 percent to 60 cents a share.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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