However, the clashes had little impact on U.S. stock markets, with megacap growth names such as Nvidia NVDA.O, Amazon.com AMZN.O and Tesla TSLA.O up between 0.9% and 1.6% in premarket trading. Israeli troops stepped up ground operations in Gaza early on Monday, with Palestinians in the enclave reporting fierce air and artillery strikes as the conflict entered its fourth week. With inflation gradually easing in the United States, the Federal Reserve is widely expected to keep interest rates unchanged at the end of its policy meeting on Nov. 1, according to the CME Group's Fedwatch tool.