Markets Plunge Over Subprime Concerns

American Home Mortgage teetered on the brink of bankruptcy sending the markets skidding to a close with the Dow plummeting 146 points to 13,212. Nasdaq plunged 37 points to 2546 while S&P 500 tumbled 19 points to 1455. The 30-year bond rose as the yield slipped to 4.922%.