On a Thursday in mid-September 2026, American financial markets recorded their strongest single-day performance in six weeks, lifted by the twin relief of falling oil prices and easing government bond yields. These two forces, when they move together, carry a quiet but powerful message: that the inflation which has shadowed economic life for months may be beginning to relent. Markets are not oracles, but they are mirrors — and on this day, they reflected something that looked, cautiously, like hope.