San Francisco Area Loses More Than 2,300 Tech Jobs.

Byline: Chris Metinko

Dec. 29--The inability of many dot-com companies to show a profitable bottom line appears to have forced many of their employees to another line -- the unemployment line.

ValleyJobs.com, a Bay Area employment site, reported more than 2,300 people in the Bay Area have been laid off from Internet companies during December. The release comes one day after Challenger, Gray & Christmas Inc. reported more than 10,000 Internet employees had been let go nationwide in December. The latter number represented a 19 percent increase from November, when dot-com layoffs totaled 5,677.

Two East Bay technology companies contributing to …