McDonald's - The fast food chain rose after it said it would begin testing seasoned french fries at some locations starting Friday.
Middleby - The commercial food service and processing company reported weaker-than-expected first-quarter earnings.
Netflix - The video subscription company gained after raising its online video prices for new customers while giving its current subscribers a two-year break from the increased rates.
Oracle - The business software company rose after a U.S. appeals court sided with the company in its copyright lawsuit against Google.
Post Holdings - The cereal maker fell after reporting weaker-than-expected second-quarter earnings.
Ralph Lauren - The clothing and accessory distributor fell after warning its profit margin would contract as it spends money to build out its network of stores.
Stratasys - The three-dimensional printer maker fell after saying it expects operating expenses to increase materially in 2014, driven by investments in sales and marketing.
Tuniu - The Chinese online travel company turned higher in its market debut.
Twitter - The micro-blogging service climbed after Bank of America/Merrill Lynch upgraded the stock to neutral from under perform.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.
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