The S&P 500 is stuck. This obscure index could determine the market’s next move
After a whipsaw two days of price action, bulls and bears are facing off again at a key technical level in the S&P 500. At the same time, an increasingly popular volatility-based measure of market breadth leans bearish. Options traders and market makers in Chicago were quick to buy dips below 7,500 in the benchmark…
