U.S. benchmarks digest Brexit-fueled whipsaw, S&P 500 tops near major resistance

The major U.S. benchmarks have reached firmer technical ground following a massive, directionally sharp reversal from the June low. At the same time, the S&P 500 has topped within view of major resistance — following a four-session, 5.9% spike — and the aggressiveness of this week’s selling pressure is worth tracking.