$2.76
18.4%
American Superconductor Corp. stock rose to $17.76. The energy technologies developer is starting a project to boost the capacity and reliability of New York City’s power grid, a project funded mostly by the U.S. Homeland Security Department.
$0.72
28.4% Antigenics Inc. stock jumped to $3.26. The developer of drugs that stimulate the immune system said its most advanced experimental medicine reduced the risk of relapse for a subgroup of people with kidney cancer.
-$4.53
7.9%
GlaxoSmithKline PLC’s American depositary shares dropped to $53.18. The company’s drug Avandia, the world’s top-selling oral diabetes treatment, may raise a patient’s chance of having a heart attack, researchers said. It was the biggest drop for Glaxo stock in five years.
$4.81
16.4%
Pioneer Cos. shares finished at $34.19. Olin Corp., which makes chlorine and caustic soda, agreed to buy Pioneer for $35 a share.
$2.97
9.5%
Skechers USA stock jumped to $34.11. Kohlberg Kravis Roberts & Co. may take footwear brand Skechers USA Inc. and retailer Genesco Inc. private, Women’s Wear Daily reported.
$0.74
9.2%
Visteon Corp. shares rose to $8.76. India’s Tata AutoComp Systems Ltd. and France’s Valeo SA may jointly buy a stake in the auto parts-maker, according to India’s Business Standard newspaper.
