Wall Street opens higher on robust earnings, M&A activity

U.S. stock indexes opened higher on Monday as strong earnings and a string of mergers lifted spirits, kicking off a busy week for inflation watchers.

The Dow Jones Industrial Average rose 99.22 points, or 0.41 percent, at the open to 24,410.41. The S&P 500 opened higher by 5.14 points, or 0.19 percent, at 2,675.05. The Nasdaq Composite gained 14.15 points, or 0.20 percent, to 7,133.95 at the opening bell.