American Axle Plunges After Peers File For Bankruptcy By: MarketMinute.com Stock News July 07, 2009 at 13:59 PM EDT Investors remained concerned about the future of American Axle & Manufacturing Holdings Inc. (NYSE: AXL) after its peers in the automotive parts industry filed for bankruptcy. The stock price plunged 52 cents to $2.32. Related Stocks: American Axle & Manufacturing