Fred's - The discount retailer dropped after saying it plans to close 60 stores and reporting a net loss for the second quarter.
Google - The search engine rose after saying it would develop drones to deliver goods, following in the footsteps of Amazon.com.
Johnson & Johnson The maker of consumer products advanced after the Wall Street Journal reported the company would look for an acquirer for its medical-device making unit, valued at as much as $2 billion.
Net 1 UEPS Technologies - The South African supplier of payments services rose, a day after posting fiscal fourth-quarter revenue that beat estimates.
Pacific Sunwear of California - The clothing retailer slipped after forecasting larger-than-expected third-quarter losses.
Splunk - The maker of operational-intelligence software gained, a day after reporting strong revenue growth and hiking its 2014 sales forecast.
Tesla Motors - The electric-car maker rose to an all-time high after saying it would join Chinese mobile carrier China Unicom to construct charging stations across China to bolster sales in the globe's largest market for autos.
Veeva Systems - The supplier of cloud-based business services surged after increasing its year-end earnings outlook.
(See CNBC's Market Insider Blog)
—By CNBC's Kate Gibson.
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