Market News September 10: Wall Street’s Worst Inflation Fear Is Back – Tomorrow Could Decide What Happens Next

Inflation is back at the centre of Wall Street.

U.S. producer prices accelerated in August, the 10-year Treasury yield is pushing dangerously close to 5%, and stocks are falling as traders rethink the chances of another Federal Reserve rate hike.

Now attention turns to tomorrow morning.

The CPI report could be the final major piece of inflation data before the Fed meets next week, potentially deciding whether borrowing costs go even higher.

Here’s the market news worth knowing today.

PPI Inflation Hits 5.4%: Why Are Markets Worried?

Wholesale inflation accelerated sharply in August.

The Producer Price Index rose 0.4% from July and was 5.4% higher than a year ago.

That annual rate is up from 4.8% in July.

Energy was one of the biggest reasons.

Producer energy prices jumped 4.2% in August as the renewed surge in oil pushed up costs for businesses.

Diesel prices alone rose more than 24% during the month.

PPI matters because it measures prices businesses are paying before many goods and services reach consumers.

When companies face higher costs, some of those increases can eventually be passed on through higher prices.

That does not mean tomorrow’s consumer inflation report must be hot.

But it gives investors another reason to worry that the recent oil shock is beginning to work its way through the economy.

10-Year Treasury Yield Nears 5%: Why Does That Hurt Stocks?

The bond market is sending an increasingly uncomfortable signal.

The benchmark 10-year Treasury yield climbed to roughly 4.92%, reaching its highest level since 2023.

A move through 5% would be psychologically important because Treasury yields affect borrowing costs across the economy.

Mortgage rates, corporate borrowing and other loans often move alongside longer-term government bond yields.

Higher yields can also hurt stocks.

If investors can earn close to 5% from relatively low-risk U.S. government debt, expensive stocks have to offer an increasingly compelling reason to take additional risk.

That pressure helped pull Wall Street lower after the PPI release.

The Dow was down more than 300 points by late morning, while the S&P 500 and Nasdaq were also falling.

Traders are now putting roughly a 70% probability on the Fed raising rates by 0.25 percentage points next week.

That makes tomorrow’s inflation report even more important.

CPI Report Tomorrow: Could It Trigger Another Fed Rate Hike?

The biggest economic report of the week arrives Friday morning.

The August Consumer Price Index is released at 8:30 a.m. ET, just days before the Federal Reserve begins its September meeting.

Unlike PPI, CPI measures the prices ordinary consumers actually pay.

Economists expect headline CPI to rise around 0.4% from July and 3.4% from a year earlier.

Core CPI, which removes food and energy, is expected to increase around 0.2% monthly and 2.4% annually.

The numbers could create two very different market reactions.

A cooler report could ease fears that oil-driven inflation is spreading, push Treasury yields lower and reduce expectations for a rate hike.

A hotter reading could do the opposite.

With PPI already running at 5.4% and the 10-year yield approaching 5%, even a small surprise could move stocks, bonds and expectations for interest rates quickly.

Tomorrow’s CPI may therefore be less about one inflation number and more about whether the Fed decides the economy needs another dose of higher rates.

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