How much weight should we put on the fact that the S&P 500 index powered above its 200-day moving average this week? If history is any indication, then this is actually a fairly momentous occasion. Unless it’s a repeat of March 2022, in which case we’re obviously poised for a push to new lows any minute now. To be clear, any signal considered bullish or bearish is based on the average reaction back through the history...