-$2.49
11.6%
Shares of Schering-Plough Corp. had the biggest percentage drop in the Standard & Poor’s 500 index, falling to $18.95. Researchers studying Vytorin, the cholesterol drug it sells with Merck & Co., said it failed to reduce the risk of heart valve disease. Merck shares fell 6.2 percent, to $35.33.
$1.46
5.8%
American International Group Inc. shares rose to $26.53. A Bank of America analyst raised his rating on the giant insurer to “buy” from “neutral.”
$6.18
21.6%
Shares of Timken Co. had their biggest percentage gain in more than three decades, soaring to $34.86. The maker of bearings used in cars and tools raised its forecast for 2008 profit and said second-quarter results beat its estimates.
-$3.43
20.3%
Charlotte Russe Holding Inc. shares had their biggest percentage decline since September 2004, tumbling to $13.46. The clothing retailer said third-quarter profit fell as consumers curbed spending.
$3.15
25.3%
Shares of Gibraltar Industries Inc. surged to $15.61. Piper Jaffray Cos. analysts raised their rating on the manufacturer of metal parts for buildings and cars to “buy” from “neutral.”
-$16.82
42%
ArthroCare Corp. shares posted their biggest percentage loss, sinking to $23.21. The maker of surgical tools said it will restate results lower for the past two years and first quarter.
