Rollercoaster week in US stocks leaves investors braced for bumps

Signs that inflation is dropping too steeply could bolster fears that the Federal Reserve has sent the economy into a tailspin

The S&P 500 is still down around 6% from a record high set last month.

A week of wild market swings has investors looking ahead to inflation data, corporate earnings, and presidential polls for signals that could soothe a recent outbreak of turbulence in US stock.

Following months of placid trading, US stock volatility has surged this month as a run of alarming data coincided with the unwinding of a massive, yen-fuelled carry trade to deal equities their worst sell-off of the year.