Active Power (ACPW -13%) takes a hit after missing Q4 estimates yesterday. Stifel Nicolaus...

|About: Active Power, Inc. (ACPW)|By:, SA News Editor

Active Power (ACPW -13%) takes a hit after missing Q4 estimates yesterday. Stifel Nicolaus downgrades the shares to Hold on the report, citing problems with the company's UPS business, difficulties with the company's internal strategy and margin deterioration.