American stock futures declined on Tuesday as the Federal Reserve begins its two-day monetary policy meeting later in the day. During regular trading on Monday, the S&P 500 and Nasdaq Composite indexes rose by 0.26% and 0.35% respectively, setting new records. The Dow index also increased by 0.18%. Eight out of 11 S&P sectors rose, led by utilities, energy, and communication services. Nvidia, a favorite in artificial intelligence, gained 0.8% after a 10-for-1 stock split, while Eli Lilly rose by 1.8%, reaching new highs after the FDA announced its Alzheimer's drug to be effective. CrowdStrike and KKR also surged by 7.3% and 11.2% respectively after being selected for inclusion in the S&P 500. Meanwhile, AMD shares fell by 4.5% after Morgan Stanley downgraded them. The Fed is expected to leave interest rates unchanged on Wednesday, with investors seeking clues about the possible start of a tapering cycle. Wednesday will also see close scrutiny of the consumer price index report.