The Big Take

Getting Inflation Right Is a Make-or-Break Moment on Wall Street

For a generation of investing pros, stable prices were a fact of life. What do you do when the old assumptions stop making sense?

On the floor of the New York Stock Exchange.

Photographer: Bloomberg
Lock
This article is for subscribers only.

God help whoever on Wall Street botches the inflation call.

After a three-decade hiatus, anxiety about rising consumer prices is testing the analytical skills of money managers and professional traders like nothing since the short-lived pandemic panic. The stakes couldn’t be higher: The long regime of mild inflation and low interest rates has helped to drive up stock and bond valuations. Now, with inflation unexpectedly hitting 6.2% in October from a year earlier, something new is on the horizon. A daisy chain of supply bottlenecks has driven prices higher as companies fight to guard their profits and consumer demand remains high. Is it a post-pandemic blip that will resolve itself? Or a sign of more turbulence to come?