Company: Sunoco Inc

NEW YORK (Reuters) - Delta Air Lines' <DAL.N> extraordinary deal to rescue a Philadelphia-area refinery just weeks from being shuttered may give the unusual coterie of suitors eyeing Atlantic Basin plants a harsh lesson in the cyclical nature of the business.

Delta Air Lines Inc. hopes to reopen an oil refinery outside Philadelphia by the end of the summer, giving hope to about 400 workers who have been out of work since the facility was idled months ago.

Delta Air Lines hopes to reopen an oil refinery outside Philadelphia by the end of the summer, giving hope to about 400 workers who have been out of work since the facility was idled months ago.

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A look at the 10 biggest volume gainers on New York Stock Exchange at the close of trading:

A look at the 10 biggest percentage gainers on New York Stock Exchange at the close of trading:

NEW YORK (Reuters) - The S&P 500 posted its first monthly decline since November on Monday, as stocks slipped on signs the U.S. economy may be slowing and as a recession in Spain highlighted risks in the euro zone.

NEW YORK (Reuters) - The S&P 500 posted its first monthly decline since November on Monday, as stocks slipped in one of the lightest trading days of the year on signs the U.S. economy may be slowing and as a recession in Spain highlighted risks in the euro zone.

(Reuters) - Pipeline operator Energy Transfer Partners LP said it would buy Sunoco Inc for $5.35 billion in stock and cash to get into the more lucrative crude oil transportation business as natural gas prices stay weak.

NEW YORK (Reuters) - The S&P 500 was on track for its first monthly decline since November on Monday after data hinted the U.S. economy may be slowing and Spain's fall into recession underscored nagging stresses in the euro zone.

NEW YORK (Reuters) - U.S. stocks fell on Monday, putting the S&P 500 on track for its first monthly decline since November, after data hinted the U.S. economic recovery is stalling and Spain's fall back into recession underscored nagging euro zone stresses.

A look at the 10 biggest percentage gainers on New York Stock Exchange at 1 p.m.:

Energy Transfer Partners is buying Sunoco in a $5.3 billion deal that creates one of the more diverse pipeline companies in the country.

NEW YORK (Reuters) - Stocks slipped on Monday with the S&P 500 on track for its first monthly decline since November after reports hinted at a stalled U.S. recovery and Spain sank into recession, underscoring nagging euro zone stresses.

Natural gas pipeline company Energy Transfer Partners is buying Sunoco in a deal valued at about $5.3 billion.