Friday: Marchex Inc., Directed Electronics Inc. and Scientific Learning Corp. lead small-cap percentage losers
Marchex, Inc. (Nasdaq: MCHX), Directed Electronics, Inc. (Nasdaq: DEIX) and Scientific Learning Corp. (Nasdaq: SCIL) 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 | % | ||||||
| 12:42 et | Change | Change | Volume | Year High | Year Low |


















