-$6.67
46.7%
Shares of Thornburg Mortgage Inc. plunged to $7.61. The stock fell the most since its 1993 initial public offering before trading was halted. Five Wall Street firms downgraded the stock, and Moody’s cut its debt rating amid turmoil in the home-loan market.
-$2.15
8.1%
Shares of Countrywide Financial Corp. tumbled to $24.46. Home lenders fell on concern bankers will cut off cash as foreclosures and overdue payments surge nationwide. Accredited Home Lenders Holding Co. retreated 32 cents, or 5.5 percent, to $5.50.
$1.69
3.9%
Nvidia Corp. stock rose to $45.20. The shares posted the biggest gain in the S&P 500 after an analyst at Thomas Weisel Partners boosted his share-price forecast for the world’s second-largest producer of computer-graphics chips.
-$3.00
9.7%
Shares of CB Richard Ellis Group Inc. slumped to $28. The stock fell the most since its June 2004 IPO, after the firm was cut to “hold” from “buy” by Standard & Poor’s.
-$3.90
22.6%
Shares of Clean Energy Fuels Corp. sank to $13.35. The operator of natural gas filling stations for vehicles had a second-quarter loss of 9 cents a share, 5 cents a share below estimates.
$2.39
12.4% IRobot Corp. stock gained to $21.73. The company is “well positioned” to win a contract for up to 3,000 bomb-detecting robots from the Defense Department, a JPMorgan analyst wrote in a note to clients.
