$2.87
9.6%
Clear Channel Communications Inc. shares reached their highest level since March 24, climbing to $32.87. The radio broadcaster said it was in talks to try to resolve a dispute over its delayed buyout.
-$3.25
7.2%
ImClone Systems Inc. stock dropped to $41.58. Shares of the maker of cancer drug Erbitux were cut to “underweight” from “equal weight” by Morgan Stanley.
$2.57
6.6%
Shares of Alcoa Inc. had the biggest percentage advance in the Dow Jones industrial average, rising to $41.61. Ernst & Young identified the aluminum producer as a possible acquisition target.
-$3.01
16.4%
Pioneer Drilling Co. shares had their biggest percentage drop in more than seven years, sinking to $15.29. The provider of oil and gas drilling services delayed first-quarter results to investigate its financial reporting.
$3.94
16.1%
AnnTaylor Stores Corp. posted their biggest percentage gain since January 2002, soaring to $28.49. The women’s clothing retailer said first-quarter results exceeded its previous forecast.
-$0.95
9.2%
Shares of Build-A-Bear Workshop Inc. dropped to $9.33. The stuffed-animal retailer was downgraded to “neutral” from “outperform” by Credit Suisse Group, which said the company is “very dependent” on mall traffic, which has slowed noticeably.
