Cognizant Technology Solutions - The supplier of information-technology services gained after posted better-than expected third-quarter results.
Devon Energy - The onshore-crude operator climbed after posting better-than-expected third-quarter earnings.
EOG Resources - The oil producer advanced after reporting better-than-expected quarterly profit.
Magna International - The Canadian auto-parts maker rose after posting better-than-expected third-quarter results.
NRG Energy - The utility gained along with others in its sector, including NextEra Energy, PPL and FirstEnergy.
Petrobras - The Brazilian producer of crude edged lower after Bloomberg reported it drew the support from Brazil's government to raise gasoline prices.
Pioneer Natural Resources - The oil-and-gas company fell after pricing a public offering of 5.75 million shares.
Rowan Companies - The contract driller climbed after reporting better-than-expected quarterly revenue and profit.
Stratasys - The 3D-printer maker fell after reducing its profit outlook for 2014. Competitors including ExOne, Voxeljet and 3D Systems also dropped.
Tesla Motors - The electric-car maker fell ahead of reporting quarterly results after the close.
Tim Hortons - The Canadian doughnut chain advanced after it posted better-than-expected third-quarter profits.
Wynn Resorts - The casino operator fell after Credit Suisse downgraded Wynn Macau to underperform.
(See CNBC's Market Insider Blog)
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