A123 Climbs on Deal to Supply Power-Storage Systems in U.K.
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A123 Systems Inc., a Waltham, Massachusetts-based maker of batteries for electric cars and utilities, rose after announcing a contract to supply power-storage systems to a U.K. grid operator.
A123 gained 7.7 percent to $2.03 at the close in New York after saying it would provide six of its grid battery systems to Northern Powergrid, a unit of Des Moines, Iowa-based MidAmerican Energy Holdings Co. that supplies power to more than 3.8 million customers in the U.K.