Western Digital's stock surged 5.00% during intraday trading on Friday, marking a significant upward move for the storage chipmaker.

The rally appears driven by a combination of positive industry commentary and bullish positioning by institutional investors. SK Group Chairman Chey Tae-won stated that demand for memory chips is growing exponentially, supporting a long-term uptrend for related stocks. This sentiment helped spark a broad pre-market rally in memory stocks, with Western Digital paring earlier losses.

Concurrently, notable options activity signaled strong institutional confidence. Large trades, including an $88.7 million put combination and a $46.7 million bull put spread, were executed with a constructive view on the stock's trajectory. These premium-collecting strategies express a bullish-to-neutral bias, indicating traders' expectation that the stock will remain firm enough to benefit from volatility decay.