1 Caffeine is a stimulant drug that acts on the brain and nervous system. 2  Like many other drugs, it is possible to become dependent on caffeine. 3  Pregnant women, athletes and children should limit their intake of caffeine.  Energy drinks typically have more caffeine and sugar than soft drinks.
After-Hours Futures. The S&P futures regular trading hours on CME is between the hours of 8:30 AM and 3:15 PM EST. This means that S&P 500 futures contracts are traded regularly one hour prior to the 9:30 AM EST stock market open. Moreover S&P futures are also traded outside regular hours on the CME's electronic trading system known as GLOBEX2 (or just plain GLOBEX).
Since 1985, the regular trading hours for major exchanges in the United States, such as the New York Stock Exchange and the Nasdaq Stock Market, have been from 9:30 a.m. to 4:00 p.m. Eastern Time (ET). Pre-market trading occurs from 4:00 a.m. to 9:30 a.m. ET, although the majority of the volume and liquidity come to the pre-market at 8:00AM ET. After-hours trading on a day with a normal session occurs from 4:00 p.m. to 8:00 p.m. ET.