It was another wild trading day of ups and downs but stocks ran to the finish line and pulled off a decent gain as oil dropped more than $5 a barrel.

Stocks wavered in another volatile trading session Tuesday as existing-home sales fell more than expected, oil dropped $5 and Alcoa dragged on the Dow. Comments from Bernanke and a $2 drop in oil prices offered the market some support.

Stocks wavered in another volatile trading session Tuesday as existing-home sales fell more than expected, oil dropped $5 and Alcoa dragged on the Dow. Comments from Bernanke and a $2 drop in oil prices offered the market some support.

Stocks wobbled Tuesday after a report showed existing-home sales fell more than expected in May. Comments from Bernanke and a $2 drop in oil prices offered the market some support.

Stocks whipped back to positive territory on a seesaw day for Wall Street, which was dominated by a large dumping of financial shares and a drop in oil that staggered large energy producers.

Stocks moved out of bear territory Monday as oil retreated more than $4 a barrel, easing inflation fears, and technology got a boost from two of its largest companies.

By Bill Berkrot and Martha Graybow

Exchange operator CME Group will list its common stock solely on the Nasdaq, dropping a dual listing on the New York Stock Exchange.

NYSE Euronext Inc. spent $250,000 in the first quarter lobbying on financial services regulation, according to a recent disclosure report.

Shares of stock-exchange operators declined even more than the struggling broader market Thursday, despite recent deals by companies allowing them to expand operations.

The London Stock Exchange PLC said Thursday it plans to create a pan-European trading facility with brokerage Lehman Brothers, setting out its stall amid increased global competition from non-traditional trading platforms.

By Martha Graybow

Former New York Stock Exchange chief Richard Grasso won a knockout victory on Tuesday in his four-year fight to keep every last penny of his $187.5 million pay package, as an appeals court threw out the state's remaining claims against him.

Qatar, which on Tuesday agreed to sell 25 percent of its stock market to NYSE Euronext <NYX.N>, is in talks with London and German stock exchanges about new partnerships, the Gulf state's sovereign wealth fund said.

Stocks ended lower as a midday rally fizzled by the closing bell. Financials held onto modest gains.