Core Insights - Western Digital Corporation (WDC) has emerged as the best-performing company in the S&P 500 this year, driven by a significant resurgence in demand for hard disk drives, a technology previously considered obsolete [1] Company Performance - The resurgence in demand for hard disk drives has been described as "almost miraculous," indicating a strong recovery in this segment [1] Investment Perspective - The article reflects a focus on identifying quality companies at reasonable valuations, emphasizing the importance of fundamentals in driving long-term share prices [1]