Western Digital Corp.’s WDC, +3.96% stock declined nearly 4% in after-hours trading Thursday after the company posted quarterly results. Western Digital reported a fiscal second-quarter net loss of 268million,or87centsashare,comparedwithanetlossof446 million, or 1.40ashare,inthesamequarterayearago.Adjustedearningswerealossof69centsashare.Revenuedipped23.03 billion from $3.11 billion in the year-ago quarter. Analysts surveyed by FactSet had expected on average a n ...