Biggest Friday percentage losers: Ampex Corp., Actions Semiconductor Co. Ltd., CyberSource Corp.
Ampex Corp. (Nasdaq: AMPX), Actions Semiconductor Co., Ltd. (Nasdaq: ACTS) and CyberSource Corp. (Nasdaq: CYBS) are the biggest percentage losers in Friday's trading among companies with market capitalizations under $500 million.
Here are today's biggest percentage losers:
| Price at | % | ||||||
| 2:33 et | Change | Change | Volume | Year High | Year Low |


















