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How resilient profit margins are silencing doubters

Stocks pulled back last week with the S&P 500 shedding 1.3% to close at 4,457.49. The index is now up 16.1% year to date, up 24.6% from its October 12 closing low of 3,577.03, and down 7.1% from its January 3, 2022 record closing high of 4,796.56.

Recent market gains can be attributed to the outlook for earnings growth. And some of that expected earnings growth can be attributed to what’s arguably the most unexpected development in the corporate world over the past two years: The resilience of profit margins.

As inflation rates surged in 2021, analysts were convinced rising costs would crush profit margins.

But the opposite happened as profit margins actually rose to record levels. During this period, many companies were able to pass higher costs to their customers through higher prices. Combined with improved operating efficiencies, this dynamic led to record profits. It was a reminder that it’s "dangerous to underestimate Corporate America."

Surprising to some, high profit margins persisted. And after a modest dip in recent quarters, profit margin expansion resumed in Q2.

"For much of the year, many believed that the combination of high inflation and rising interest rates would lead to a significant deterioration of earnings growth due to the pressure that both were perceived to have on profit margins," BMO Capital’s Brian Belski wrote on Tuesday. "[W]hile EBIT and net margins are certainly lower, they remain well above-average."

In addition to benefiting from strong pricing, corporations haven’t seen interest costs spike despite higher interest rates. This is because many companies refinanced their debt in recent years, locking in low interest rates for years to come.

By the way, this isn’t just an S&P 500 phenomenon. As Bloomberg’s Matthew Boesler recently reported: "After-tax profits for nonfinancial firms rose 4.5% in the second quarter, a Bureau of Economic Analysis report on gross domestic product showed. Measured as a share of gross value added — a proxy for aggregate profit margins — they rose to 14.3% from 13.8%."

So, what’s next for margins?

As is often the case, there isn’t a clear consensus on the outlook for margins.

"Margins have proved surprisingly resilient this year, benefiting from the decision by many corporates to prioritize price increases over volume growth," BNP’s Viktor Hjort wrote in a note circulated on Thursday. "This ability can be frustrated as inflation begins to trend lower, unless it can be compensated for by faster real growth."