- US equity futures fell along with stocks as worries about the state of the global economy were exacerbated by weak Chinese trade data.

- S&P 500 futures contracts decreased after the underlying index fell on Tuesday for a fourth straight day and closed at its lowest level in almost a month. As commodity producers paced declines, a European equity benchmark also fell.

- Demand for longer-dated bonds drove a yield inversion to a four-decade extreme, sending 10-year rates below those on 2-year notes by the most since the early 1980s. Recession fears were palpable in the bond market. Pressure points for a market controlled by central banks include next week's inflation data and the federal reserve's interest rate decision.

- The worst selloff in a month for the S&P 500 has been severe enough to undo the rally that followed Fed Chair Powell's remarks on a potential slowdown in the pace of tightening, leaving the benchmark where it was last week just before he spoke.