By Aniruddha Ghosh and Noel Randewich (Reuters) – Wall Street fell on Monday, with declines in energy companies weighing against gains in Boeing as investors digested the U.S. stock market’s biggest monthly gains in two years. Stocks gave up some of a strong rally from last week that was driven by bets the Federal Reserve may not be as aggressive with interest rate hikes as some had feared. Also helped by stronger-than-expected second-quarter results, the S&P 500 and the Nasdaq in July posted their biggest monthly percentage gains since 2020. Some investors on Monday became more cautious in th…