South San Francisco-based Genentech Inc. (DNA) fell more than 3.6 percent by the close of the markets Monday, the largest change seen among local stocks tracked by the Examiner.

Applied Materials Inc. (MAT) also fell more than 3.3 percent, while on the positive side, Palo Alto-based VMware Inc. (VMW) rose more than 3.9 percent and San Jose-based SunPower Corp. (SPWR) rose more than 2.4 percent.

The markets closed down overall, with the Dow Jones down 0.4 percent, the Nasdaq down 0.9 percent and the S&P 500 down 0.5 percent.

Companies in the news include Cupertino-based Apple Inc. (AAPL), which was sued by Klausner Technologies for alleged patent infringement, and Redwood City’s Electronic Arts (ERTS), which faces intensified competition with the merger of Vivendi SA and Activision to create a new game-making giant, Activision Blizzard.