TradingMarkets 7 Stocks You Need to Know for Monday

Stocks sold off in their worst performance in more than a year as a surge the unemployment rate put traders on the defensive. The Dow industrials were the percentage leader to the downside on Friday, ending the day down 394.64. The Nasdaq Composite lost 75.38. And the S&P 500 closed lower by 43.37.

Here are 7 Stocks You Need to Know for Monday

National Semiconductor (NSM | Quote | Chart | News | PowerRating) ended the day up more than 4% on Friday after announcing that the company's next fiscal year earnings per share would be higher by as much as 20%.

Higher fuel costs and cutbacks by air carriers contributed to another day of selling in shares of Boeing (BA | Quote | Chart | News | PowerRating) on Friday. The stock finished the day down more than 5%.

American International Group (AIG | Quote | Chart | News | PowerRating) was the biggest decliner in the Dow industrials on Friday, losing more than 6%. AIG is reportedly under investigation by the SEC for alleged overvaluing of subprime mortgage related swaps.

Carl Icahn continued his campaign to force Yahoo! (YHOO | Quote | Chart | News | PowerRating) CEO Wang to sell the company to Microsoft (MSFT | Quote | Chart | News | PowerRating) - albeit at a premium to Microsoft's original offer. Icahn accused the Yahoo! chief of "dancing around."

A Federal Trade Commission probe into Intel (INTC | Quote | Chart | News | PowerRating) and its alleged dominance of the computer processor market was announced today.

Ad sales for NBC were surprisingly strong given the concerns over the economy and consumer spending. NBC is owned by General Electric (GE | Quote | Chart | News | PowerRating), which was down 3% on Friday amid the overall bearish tone of the market.

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