Shares of A123 Systems (AONE +15%) resume trading following a trigger-induced halt, reversing...

|About: A123 Systems, Inc. (AONEQ)|By:, SA News Editor

Shares of A123 Systems (AONE +15%) resume trading following a trigger-induced halt, reversing course in a squeeze on no significant news. The stock triggered short-sale restrictions throughout most of last week, in continuation of a move to the downside started in late August after GM announced it was temporarily halting Volt production.