US Stock Market LIVE Updates: US stock futures slipped early Friday (August 1) as investors reacted to US President Donald Trump’s revised tariff rates and a mixed set of earnings from major tech firms, while awaiting the release of the July jobs report later in the day. S&P 500 futures were down 0.83%, Nasdaq 100 futures dropped 0.99%, and Dow Jones Industrial Average futures declined by 339 points, or 0.77%.