To gain an edge, this is what you need to know today. S&P 500 At 5000Please click here for an enlarged version of the chart of SPDR S&P 500 ETF Trust (ARCA:SPY) which represents the benchmark stock market index S&P 500 (SPX). Note the following: The chart shows that S&P 500 is comfortably above the top band of the support zone.The chart shows that the move up is on lower volume. This is a negative.Historically, when S&P 500 hits the next 1000 benchmark, the median return is as follows:The above data is only history, and no one should depend on it. It is more important to understand how various…