Western Digital Corp.

(NASDAQ:WDC) shares surged about 13% in Thursday's premarket session after Micron Technology Inc.'s (NASDAQ:MU) stronger-than-expected quarterly results and bullish outlook boosted sentiment across the memory and storage sector.

A broader risk-on mood also supported the move, with S&P 500 futures rising 0.7% before the opening bell.

Micron Results Lift Memory Stocks Micron reported fiscal third-quarter adjusted earnings of $25.11 per share on revenue of $41.46 billion.

The company also forecast fiscal fourth-quarter adjusted earnings of about $31 per share on roughly $50 billion in revenue.