Take a look at some of Tuesday's midday movers:
Apple powered forward on talk of a stock split and dividend.
Facebook - Facebook hit a post-initial-public-offering low, falling below the $22 a share mark.
UBS - UBS plunged after the Swiss banking giant posted a weaker-than-expected 58 percent fall in second-quarter profits, due in part to losses from the Facebook stock listing.
Anheuser-Busch Inbev - Anheuser-Busch fell as consumption and revenues dropped in its key North American market.
Accretive Health - Accretive Health soared after the company said it reached a $2.5 million settlement with the Minnesota Attorney General’s office over an ongoing lawsuit.
Arkansas Best - Arkansas Best moved higher after the trucking company posted better-than-expected second-quarter earnings.
Nokia - Nokia gained ground following reports that company executives are making large stock purchases in the company.
US Steel - US Steel rose after it reported better-than-expected second-quarter earnings.
TRW - TRW advanced after it reported better-than-expected second-quarter profits. But the automotive parts supplier slightly lowered its 2012 outlook due to the economic slowdown in Europe.
Delphi Automotive - Delphi Automotive also moved higher after it reported better-than-expected second-quarter earnings.
Herbalife - Herbalife moved higher after its second-quarter profits rose 20 percent. It also raised its 2012 outlook.
Goodyear Tire & Rubber - Goodyear jumped after it posted stronger-than-expected second-quarter profit on strong demand in North America.
Insurer Tower Group - Insurer Tower Group slumped after it disclosed a $42 million tax bill that will cause a second-quarter operating loss.
DineEquity - DineEquity shares moved higher on better-than-expected second-quarter results. The company also announced the departure of its IHOP president, Jean Birch.
Cafepress - Cafepress plunged after the print-on-demand website forecast a weak third quarter. It had posted a second-quarter loss on Monday.
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