Major US stock indexes opened higher on Monday. De-escalating Middle East tensions helped drag down crude oil prices. Investors are now preparing for a busy week of earnings reports. The Dow Jones Industrial Average increased by 274 points at the open. The S&P 500 and Nasdaq Composite also saw gains.

U.S. stock futures rose on Monday, as the Dow Jones, S&P 500, and Nasdaq 100 indices advanced, following Friday's higher close.

Major US stock indexes opened higher on Monday. De-escalating Middle East tensions helped drag down crude oil prices. Investors are now preparing for a busy week of earnings…