The Digest A ROUNDUP OF SAN FERNANDO VALLEY NEWS Shakeup at Youbet.com David Marshall, co-founder of Youbet.com Inc., has invested $750,000 in the company. At the same time, he has assumed the duties of chairman of the board and chief executive officer. Robert Fell, Caesar Kimmel and William Roedy have resigned from the board of directors and Ron Luniewski has resigned as co-CEO and a director. Phillip Hermann will relinquish his co-CEO title and become president and COO in addition to his current position of CFO. CalAmp Dumps Andersen California Amplifier Inc. has joined the growing list of companies that have dismissed Arthur Andersen LLP as their auditor. Andersen had audited CalAmp for more than 20 years, since the tech firm incorporated in 1981, but will be replaced by KPMG to audit the recently closed fiscal year 2002. The change will delay the full-year report until late May, but CalAmp did release unaudited numbers for the fourth quarter. Revenue was approximately $22.5 million and earnings are expected to be near 4 cents per share.