Fidelity Dividend Growth Fund, managed by Fidelity Investments, stated in its Q2 2026 investor letter that its overweight position (+140%) in data storage company Western Digital (WDC) made it the fund's largest relative contributor. Western Digital management attributed the quarter's strong performance to robust demand for AI solutions, leading the company to raise its financial guidance. As of September 14, Western Digital's stock price was $426.94, having surged 314.14% over the past year, with a market capitalization of $153.93 billion.