San Jose, Calif. -- KLA-Tencor, a San Jose-based maker of yield management and process control tools or semiconductor manufacturers, said on Friday that a special committee of its board has found discrepancies between the actual dates of some stock option grants and the recorded dates of those awards. The company said that the committee is continuing to investigate the timing of the grants and their related accounting treatment, and has yet to determine whether the company will need to restate previously issued financial statements. The news sent KLA-Tencor's stock down 1% in Friday's trading.
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