To gain an edge, this is what you need to know today.Rate Decision AheadPlease click here for an enlarged chart of SPDR S&P 500 ETF Trust SPY which represents the benchmark stock market index S&P 500 (SPX).Note the following:The chart shows the stock market continues to reach new highs.The chart shows the stock market is levitating above support.RSI on the chart shows the stock market is overbought.  Overbought markets are susceptible to a pullback.China's internet regulator has ordered Chinese companies to ...