American Superconductor (AMSC -11%) shares sink after the company announces it will delay...

|About: American Superconductor Cor... (AMSC)|By:, SA News Editor

American Superconductor (AMSC -11%) shares sink after the company announces it will delay reporting Q4 and FY2011 financial results, and that it expects to reverse the recognition of a material amount of revenue. This follows sharply lowered guidance in April, citing refusal by main customer Sinovel to accept contracted shipments.