Western Digital Corp. (NASDAQ:WDC) stock tanked almost 9% on Tuesday as investors sold memory and data storage stocks across the sector.Samsung Update Triggers Profit-TakingSamsung Electronics Co. Ltd. (OTC:SSNLF) reported a 19-fold surge in operating profit, but investors used the preliminary earnings update to take profits.The sell-the-news reaction pressured Western Digital and other high-growth hardware and semiconductor stocks.The Nasdaq is down 2.11% while the S&P 500 has shed 0.64%, and Technology is leading the downside with a 3.1% drop.Technical AnalysisFrom a trend perspective, WDC is still in a longer-term uptrend, trading about 25% above its 100-day SMA ($418.76) and roughly 78% above its 200-day SMA ($295.05). But the near-term picture has softened: the stock is about 14.5% below its 20-day SMA ($613.02) and about 2.2% below its 50-day SMA ($535.85), which often signals a pullback that’s no longer "just noise."Earnings & Analyst OutlookLooking further out, the next major catalyst for the stock arrives with the July 29, 2026 (estimated) earnings report.

EPS Estimate: $3.27 (Up from $1.66 YoY)

Revenue Estimate: $3.69 Billion (Up from $2.60 Billion YoY)

Valuation: P/E of 34.6x (Indicates premium valuation relative to peers)