The U.S. stock market opened with the Dow Jones up 0.16%, the S&P 500 up 0.2%, and the Nasdaq up 0.17%. TSMC (TSM.N) opened down 1.82%, despite a 58% surge in first-quarter profits, with the company projecting second-quarter revenue of $39 billion to $40.2 billion. Oracle (ORCL.N) opened up 3.35% following the announcement of its collaboration with Amazon Web Services.