AIG, American Axle, Whole Foods, EA are big movers

NEW YORK_The following stocks were among those that moved substantially or traded heavily Wednesday on the New York Stock Exchange and Nasdaq Stock Market:



NYSE

American International Group Inc., up $8.48 at $22

Shares of the embattled insurer gained more than 60 percent ahead of its earnings release slated for Friday and the Monday start of new CEO Robert Benmosche, former head of MetLife.

American Axle and Manufacturing Holdings Inc., up $1.14 at $3.75

The auto supplier's second-quarter loss shrunk in half from a year ago _ but so did its sales due to Detroit automakers' plant shutdowns.

Radian Group Inc., up $3.05 at $6.72

The mortgage insurer posted a surprise profit in the second quarter and said new underwriting was nearly all of prime credit-quality.

Tyson Foods Inc., down 38 cents at $10.95

A KeyBanc analyst downgraded the meat producer's shares to "Hold," saying he was concerned about lower sales prices for chicken.



NASDAQ

Whole Foods Market Inc., up $3.88 at $28.70

The natural and organic grocer's shares hit a 12-month high after it said profit, sales and traffic grew in its fiscal third quarter.

Electronic Arts Inc., down $1.49 at $20.40

While the video game maker's first-quarter results beat expectations, analysts worried about sales of sports games and new releases.

Garmin Ltd., up $6.48 at $33.66

The maker of GPS technology for cars, boats and planes said profit shrank in the second quarter, but it expects improvements in sales.

Novavax Inc., up 53 cents at $5.16

The biotechnology company said it has created swine flu virus-like particles for use in a potential vaccine in only 11 weeks.