U.S. stock indexes add to their recent rally helped by gains in AI-linked stocks after the leaders of SoftBank, Oracle and OpenAI, standing alongside President Trump, pledge $500 billion in artificial-intelligence investment in the U.S. Nvidia and Microsoft, which will also be involved, rise over 4% and ARM jumps 16%. Netflix rises 9.7% after the streaming company reports strong earnings. Procter & Gamble gains 1.9% after posting solid results while Johnson & Johnson loses 1.9% as its sales outlook disappoints. DJIA rises 130 points, or 0.3%, to 44156, the S&P 500 gains 0.6% to 6086 and the Nasdaq jumps 1.3% to 20009.