US services PMI flash surges to 58.7, blowing past forecasts and signaling robust economic expansion

The US services sector just posted a number that makes “exceeding expectations” feel like an understatement. S&P Global’s flash Services PMI for September landed at 58.7, up from August’s 56.5 and well above the 55.8 that economists had penciled in. For context, any reading above 50 signals expansion. A reading nearly nine points above that threshold suggests the largest segment of the American economy isn’t just growing, it’s accelerating. What the numbers actually tell us The Services PMI measures business conditions across the US services sector, which includes everything from finance and real estate to healthcare and hospitality. S&P Global compiles the index by surveying purchasing managers at companies across these industries, asking about new orders, employment, pricing, and output. A jump from 56.5 to 58.7 in a single month is notable for its magnitude alone. But the fact that it cleared the consensus forecast by nearly three full points is what makes this release significant for markets. The beat is especially striking given that August’s final reading had actually been revised lower from its initial flash estimate. That pattern, a downward revision followed by a s...