Thai Floods Jolt PC Supply Chain By SHARA TIBKEN Western Digital Corp. said flooding in Thailand is having a "significant impact" on the hard-disk drive maker's operations and its ability to meet customer demand in the current quarter, adding supply concerns to an industry already hurt by weak consumer spending on PCs. The flooding in Thailand, the world's second-largest exporter of hard-disk drives, comes during the key selling season for hard-disk drives, with PC makers obtaining supplies for holiday sales. Analysts said it likely will lead to higher prices and potential supply constraints later this year or early next year....