[Chart courtesy of MarketWatch.com][Chart courtesy of MarketWatch.com]Moving the marketStocks started off strong Wednesday, bouncing back after Oracle’s stumble yesterday snapped the S&P 500’s seven-day winning streak and sparked fresh questions about how long the artificial intelligence boom can last.Nvidia shares climbed 2% after CEO Jensen Huang said computing demand has jumped sharply—especially over the past six months—helping overshadow Oracle’s warning about thin margins in its cloud business and som ...