Wall Street rebounded Tuesday as rising oil prices helped propel energy company stocks higher and offset a dim outlook from telecommunications maker Alcatel-Lucent.Exxon Mobil Corp. led blue chips and was among the Dow Jones industrials' biggest gainers as investors bet that a cold snap in...

Wall Street fell for a second straight session Tuesday as National Semiconductor Corp. issued a profit warning that sent technology stocks tumbling, and investors awaited results from networker Cisco Systems Inc.National Semi, which makes chips used in mobile telephones, said late Monday it expects sales...

Shares of Countrywide Financial Corp., the nation's largest mortgage lender, plunged Tuesday after the company denied rumors that it was planning to file for bankruptcy protection.The stock fell $2.17, or 28.4 percent, to $5.47 on Tuesday after sinking to a 52-week low of $5.05.In a...

Concerns about retail sales and mortgage lenders continued to weigh on the major market indexes as stocks sold off even harder in late afternoon trade.At 3:00 p.m. ET the Nasdaq and S&P 500 each dived nearly 1.9%. The small-cap S&P 600 was down 1.8%. Nasdaq...

The following provides a description of certain stocks.