Stocks are stumbling after Labor Day. This year’s easy gains may be over.

The post-Labor Day retreat in equities suggests the market is beginning to price out the "easy gains" that characterized much of this year. The central catalyst is a shift in expectations toward the Federal Reserve’s first rate hike since 2023. For much of the past two years, investors operated under the assumption that the next move in monetary policy would be a cut, which provided a supportive floor for valuations. Now, with inflation data proving stickier than anticipated and the labor market remaining resilient, the narrative is pivoting toward tighter conditions.

This development is significant because a rate hike directly impacts the discount rate used to value future earnings. When the cost of capital rises, the present value of those earnings falls, which disproportionately pressures high-multiple growth stocks. Conversely, sectors like financials may see a marginal benefit from a steeper yield curve, while utilities and real estate often face headwinds. The market’s adaptation will likely hinge on forward guidance. Watch for commentary from Fed officials regarding the terminal rate—the peak of this cycle—and any revisions to their economic projections. The key question is not whether a hike occurs, but how much further the tightening path extends.