Here are the six things you need to know before the opening bell rings in New York:1. What goes up must come down: U.S. stock futures are sinking and all European markets are declining in early trading. Asian markets are also closing out the day with significant losses -- the Hang Seng in Hong Kong posted the worst performance in the region, with a loss of 3.3%. The losses come after a negative day on Friday: The Dow Jones industrial average dropped 2.1%, while the S&P 500 and the Nasdaq each shed 2.5%. Market closures: In the Middle East, most stock markets are closed for Eid al-Adha, a four-day religious holiday that begins Monday and ends Thursday.

Source: CNN September 12, 2016 09:22 UTC