Here is a article to show you that retail investors are at a disadvantage when it comes to trading. How can the S&P 500 gain while the market is closed? Closed to who?
This article lends the reason to investors trading on news from Asia. That couldn't be further from the truth. The reason is because the Market Trapper is allowed to continue trading while the majority of retail traders cannot. How is this a fair and efficient market? Its not. Hence, why its important to forecast price movements. You're at a great location for forecasting the markets.
Have a read.