U.S. tariffs on Chinese goods were reduced to 30% for a period of 90 days, while Chinese tariffs on U.S. goods were lowered from 125% to 10%.

Saudi Arabia’s plan to invest $20 billion in U.S. artificial-intelligence data centers and energy infrastructure creates big opportunities for AI stocks.

Shares of Super Micro Computer extended the previous day’s gains in premarket trading on Wednesday following a flood of good news. The stock surged 19% to $46.19. Futures tracking the S&P 500 and Nasdaq Composite were up about 0.