The S&P 500 brushed off Thursday headlines about the U.S. and Iran trading blows in the Strait of Hormuz and continued marching higher in Friday trading, crossing 7,400 for the first time. Prediction market traders think there's more fuel left in the tank. While the benchmark is already up more than 16% from its March 30 lows, traders on Kalshi think the broad index has a 59% chance of breaching 8,000 this year. That's an 8% gain from current trading levels, and the index only crossed 7,000 for