American stock futures declined on Tuesday as the earnings season unfolds, with major companies set to report later in the day. Coca-Cola, Comcast, General Motors, Spotify, and UPS will release their earnings before the market opens on Tuesday, while tech giants Alphabet and Tesla will present their results after the close. During regular trading on Monday, the Dow increased by 0.32%, the S&P 500 rose by 1.08%, and the Nasdaq Composite gained 1.58%. Nine of the 11 S&P sectors ended the day higher, led by technology, communication services, and industrials. Technology companies such as Nvidia (up 4.8%), Tesla (up 5.2%), Microsoft (up 1.3%), AMD (up 2.8%), and Meta Platforms (up 2.2%) showed strong gains. Meanwhile, CrowdStrike’s stock fell another 13.5% and is now 34% below its all-time high reached earlier in July. Investors are also monitoring the political situation following President Joe Biden's completion of his re-election campaign and his endorsement of Vice President Kamala Harris.