BP - The oil company slid after the oil producer said it intends to remain a long-term investor in Russia's Rosneft even as the Russian oil giant's chief executive was singled out for Western sanctions.
International Business Machines - The technology company rose after it said it would launch its own cloud computing services.
Marriott International - The hotel chain declined after SunTrust Robinson Humphrey downgraded the stock to neutral from buy.
Netflix - The provider of online entertainment continued to move lower along with other momentum shares including Priceline.com , Tesla Motors , Google and Facebook.
Newmont Mining - The gold producer fell after the termination of merger talks with Barrick Gold.
NorthStar Realty Finance - The Real Estate Investment Trust, or REIT, gained after Reuters and others reported American Realty Capital Properties was in talks to buy NorthStar Realty Finance.
Panera Bread - The operator of bakery-cafes outlets fell after Longbow Research downgraded the stock to underperform from neutral.
Pepco Holdings - The electricity supplier rose after Bloomberg said SparkSpread had reported Pepco had hired advisers for a strategic review.
Pozen - The pharmaceutical comapny fell after regulators denied approval for its experimental pain medication.
Roper Industries - The supplier of medical and scientific imaging products gained first-quarter profits that beat street expectations.
Scorpio Tankers - The fuel transport company rose after reporting first-quarter revenue that beat expectations.
(Read More: See CNBC's Market Insider Blog)
—By CNBC's Rich Fisherman.Questions? Comments? Email us at email@example.com