US equity markets weaker after President Trump said the ceasefire with Iran was over, sending oil prices soaring to three-week highs. Dow down 577 points, or 1.1%. American Express and sherwin-williams Co. falling over 3%.On the upside, Nvidia Corp up 3.7%, leading performer in the 30 stock index after the Information reported that China will allow top AI companies including Alibaba, ByteDance and DeepSeq to buy a limited amount of Nvidia's H200 chips.