Western Digital and FuelCell Energy gain momentum; SoundHound AI faces valuation caution

Western Digital (WDC) and FuelCell Energy (FCEL) were cited as momentum stocks with potential upside, while SoundHound AI (SOUN) was flagged as a possible laggard despite recent gains, according to an article published May 14, 2026. SoundHound AI rose 28.6% over the past month but trades at $8.79, or 16.6 times forward sales, raising valuation concerns. Western Digital gained 37.2% over the same period and trades at $480.55, equal to 30.2 times forward earnings. FuelCell Energy posted the strongest one-month move, rising 101%. The stock trades at $13.74, implying 3.1 times forward sales. The article framed the moves as driven by positive catalysts, including product developments, news flow and retail investor interest, while warning that short-term momentum does not always translate into durable returns.