Ariad Pharmaceuticals declined after saying it would suspend sales of a blood cancer drug due to safety concerns.
Alcatel Lucent climbed after the telecom-equipment maker posted higher revenues and a narrower loss in its third quarter, helped by double digit growth in the U.S.
SodaStream dropped after Stifel downgraded its shares to sell, citing revenue shortfalls in the Americas.
Carbo Ceramics soared after easily beating third-quarter earnings and revenue forecasts.
Alpha Natural Resources rose after reporting a smaller-than-expected quarterly loss and cut its capital budget for 2013.
Oskosh fell after the maker of specialty trucks forecast 2014 earnings well below estimates.
Harman International soared after the audio-equipment maker reported quarterly results that beat forecasts, helped by a recovery in Europe's automotive industry.
New York Times climbed after the publisher reported a rise in third-quarter revenue.
Crown Holdings gained after the food-packaging company said it would buy Spanish food-can maker Mivisa Envases for $1.6 billion.
Gold miners Barrick, Newmont Mining, Goldcorp and Yamana Gold all dropped as gold prices fell below the $1,325 an ounce support level.
ConocoPhillips moved higher as its quarterly net income rose on asset sales.
HHGregg pulled back after the retailer posted weaker-than-expected quarterly earnings and revenue and lower-than-expected 2014 earnings guidance.
MGM Resorts fell after reporting lower-than-expected margins at its Chinese and Las Vegas operations.
NII Holdings plummeted to a 10-year low after the provider of telecom services in Latin America said it would miss its full-year forecast due to subscriber losses in Mexico.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
Questions? Comments? Email us at email@example.com