(Reuters) - Chipmaker Qualcomm Inc said it may break itself up as it delivered its third profit warning this year and announced plans to slash jobs and spending. Qualcomm's shares fell about 1 percent at $63.50 in after-market trading on Wednesday. The chipmaker, which has about 30,000 employees worldwide, also said it had agreed with Jana Partners to add two of the hedge fund's nominees to Qualcomm's board.



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