The three major U.S. stock indexes opened higher, with the Dow Jones up 0.7%, the S&P 500 up 0.7%, and the Nasdaq up 0.8%. Boeing (BA.N) rose 4% as its first-quarter earnings exceeded expectations, with revenue increasing 14% year-over-year. Alphabet (GOOGL.O) gained 1.1% after Google Cloud unveiled a new TPU chip for artificial intelligence. Tesla (TSLA.O) fell 0.1% and is set to release its first-quarter earnings after today's market close.