Movers roundup: Texas Instruments, SanDisk

Among the stock activity stories for Tuesday, July 22, from AP Financial News:

NEW YORK (AP) _ Shares of Texas Instruments Inc. plunged Tuesday after reporting second-quarter earnings that missed Wall Street estimates.

NEW YORK (AP) _ A surprise second-quarter loss sank shares of memory products maker SanDisk Corp. Tuesday, and analysts said there may be more bad news in store.

NEW YORK (AP) _ Shares of pizza delivery company Dominos Pizza Inc. jumped Tuesday after the chain reported its second-quarter profit soared, helped by one-time costs that sunk profit in the year-ago quarter and strong international sales.

NEW YORK (AP)_ Shares of Quest Diagnostics Inc. jumped Tuesday after the medical laboratory and research products company's second-quarter profit beat Wall Street expectations and it lifted the lower end of its full-year profit guidance.

NEW YORK (AP) _ Shares of Millicom International Cellular SA declined sharply Tuesday after the Luxembourg-based wireless carrier reported second-quarter sales and profits that failed to meet Wall Street expectations.

NEW YORK (AP)_ Shares of Waters Corp. jumped Tuesday, after the company opened earnings season for life science research companies with a bang by reporting a 39 percent boost in second-quarter profit.