San Francisco-based AMB Corp. (AMB) lost more than 6.2 percent of its value Thursday following the close of the markets, the largest change seen among local stocks tracked by the Examiner.

Advanced Micro Devices Inc. (AMD) also fell more than 5.1 percent, while Foster City-based Gilead Sciences Inc. (GILD) rose more than 3.4 percent and SunPower Corp. rose more than 2.8 percent.

The markets were mixed overall Thursday, with the Dow Jones closing up 0.1 percent, the Nasdaq falling more than 0.2 percent and the S&P 500 staying flat.

Companies in the news included San Francisco-based Gap Inc. (GPS), which named Simon Kneen as creative director for Banana Republic.

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