According to CoinMeta, U.S. stock index futures rose slightly on Monday as signs of a easing in the Middle East situation pushed down crude oil prices. Investors are paying attention to potential mergers in the healthcare industry, with reports indicating that Bristol-Myers Squibb and AstraZeneca are in preliminary merger talks, which could result in the formation of the world's largest pharmaceutical company with a market value of nearly $400 billion. The stocks of U.S. companies rose by 8% in pre-market trading, while those of their British competitors fell by 6%. Brent crude oil prices dropped by 5.7% to $83.77 per barrel. Traders estimate a 64% probability of the Federal Reserve raising interest rates in September. There will be several labor market reports this week, with official non-farm employment data to be released on Friday.