Take a look at some of Tuesday's midday movers:
Exxon Mobil - The oil producer and others including Chevron, Hess and ConocoPhilips fell with the price of crude.
United Continental Holdings - The carrier and competitors such as Delta Air Lines, American Airlines Group and JetBlue Airways rose as fuel costs dropped.
Apple - The market capitalization of the consumer technology company reached $700 billion for the first time.
Netflix - The movie streamer dropped after as Stifel downgraded the stock to hold from buy.
Brown Shoe Company - The retailer climbed after raising its full-year earnings guidance.
Comcast - The media company and owner of CNBC rose after Bank of America added the stock to its conviction buy list.
Petrobras - Brazil's government-controlled oil giant edged higher after Citigroup upgraded the stock to buy from neutral.
Cracker Barrel Old Country Store - The restaurant operator advanced after posting better-than-expected first-quarter results.
United Technologies - The diversified manufacturer rose after Wells Fargo upgraded it to outperform from market perform.
Sotheby's - The auctioneer declined as a regulatory filing showed its outgoing CEO is eligible for $4 million in severance.
Biogen Idec - The drug developer fell after the Food and Drug Administration said the label for the company's multiple sclerosis drug would be changed to include information about a patient who died while taking the medication.
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