Here is a pattern worth knowing as April winds down: When the S&P 500 gains 5% or more in April, the rest of the year has never finished negative. The sample is small, but the signal is clean. With April 2026 on track to be the second-best April for the S&P 500 since 1950 and ... When April Delivers 5% Gains, the Rest of the Year Has Never Been Negative. Here’s What History Says About May