Wall Street’s riskiest stocks are melting down as retail traders face ‘day of reckoning’ - MarketWatch

1. Nvidia's CEO mentioned quantum computers may take 20 years to develop. 2. Huang’s comments sparked a selloff in quantum computing stocks. 3. Retail traders faced significant losses from speculative stock trades. 4. Nvidia's position in tech could be influenced by quantum computing timelines. 5. Market reactions highlight volatility surrounding emerging technologies like quantum computing.