simplywall.st estimates that Western Digital $WDC is worth $115 based on the company's future cash flow:Demand for storage is stagnating. Blame the chip cycle's decline and the U.S./China trade war hurting the business. Weak trading in $MU is hurting WDC stock too.Consider accumulating WDC stock once the company starts showing an uptick in storage demand. Orders for storage and NAND will slow during the summer period but pick up in the fall/winter period.Related: Seagate $STX surpassed WDC by market last week.