A brand new generation is upon us on the Federal Reserve, and it is ushering in a duration of heightened uncertainty for Wall Side road and its main inventory indexes, the Dow Jones Commercial Reasonable (^DJI +0.58%), S&P 500 (^GSPC +0.37%), and Nasdaq Composite (^IXIC +0.19%).
After a contentious ultimate yr by which President Donald Trump and Fed Chair Jerome Powell frequently feuded over rates of interest, Powell’s time period as head of the Fed got here to an in depth on Would possibly 15. Succeeding him is Kevin Warsh, a former member of the Board of Governors of the Federal Reserve (Feb. 24, 2006 – March 31, 2011), who performed an instrumental position in navigating the U.S. financial system during the monetary disaster.
Even though Powell is staying at the Board of Governors and intends to stay a low profile with Warsh guidance the send, he ended his eight-year tenure as Fed chair with a bang. In his ultimate Federal Open Marketplace Committee (FOMC) press convention on April 29, Powell delivered a 20-word fact test on inflation that Wall Side road and traders would possibly not recognize however must recognize.
Former Fed Chair Jerome Powell handing over remarks. Symbol supply: Reliable Federal Reserve Picture.
Powell’s ultimate yr as Fed chair used to be marred via two worth shocks
Since early April 2025, the FOMC — the 12-person frame answerable for atmosphere the country’s financial coverage — has handled two separate worth shocks.
The primary used to be President Trump’s “Liberation Day” tariff and business coverage bulletins. Even supposing the majority of the worldwide and reciprocal price lists presented via the president had been deemed invalid via the U.S. Superb Courtroom in February 2026, the cost stickiness of the president’s price lists continues to have an effect on the products sector.
The second one worth surprise will also be traced to the Iran warfare. No longer lengthy after the U.S. and Israel commenced assaults on Iran on Feb. 28, the latter closed the Strait of Hormuz to maximum business vessels. This has created the biggest power provide disruption in historical past, stymying the motion of roughly 20 million barrels of petroleum liquids according to day.
⛽ Reasonable U.S. fuel costs according to gallon on Would possibly 6, according to AAA:
• Common: $4.54 (⬆️ $1.56 since warfare in Iran started on Feb. 28)
• Top class: $5.39 (⬆️ $1.85 since warfare started)
• Diesel: $5.67 (⬆️ $1.81 since warfare started)
— NBC Information (@NBCNews) May 6, 2026
The have an effect on of this provide disruption has been readily obvious. Gasoline costs have soared on the quickest tempo in over 30 years, whilst diesel costs are up via a steeper proportion.
Historical past additionally tells us that the opposed results of power worth shocks lag for companies via a few months. As soon as upper transportation and manufacturing prices are factored into financial information, the U.S. inflation price can upward push additional.
In February, sooner than the affects of the Iran warfare started appearing up in financial information, trailing 12-month (TTM) inflation used to be 2.4%. In April, TTM inflation clocked in at 3.8%, pushed basically via upper power costs.
Symbol supply: Getty Pictures.
Jerome Powell tells the ugly fact about inflation and rates of interest
When this yr started, traders had been pricing in different FOMC price cuts. Decrease rates of interest had been anticipated to gasoline the bogus intelligence information middle build-out via making it inexpensive for firms to borrow capital. However two separate worth shocks have successfully got rid of price cuts from the desk in 2026.
Nonetheless, the FOMC maintained its easing bias in its April assembly remark, which is spurring questions from economists, traders, and journalists about how the central financial institution will manner inflation and rates of interest going ahead.
Traditionally, the FOMC has a tendency to seem previous power worth shocks and now not overreact since they are frequently short-lived. However in line with a query about how the inflation outlook is evolving from The Wall Side road Magazine‘s leader economics correspondent, Nick Timiraos, now-former Fed Chair Powell presented a painful 20-word admission for Wall Side road:
The query about having a look thru power in point of fact isn’t in entrance people at this time. It hasn’t even peaked but.
Whilst President Trump expects the inflationary have an effect on of the Iran warfare to be a momentary factor, Powell and different contributors of the FOMC acknowledge that the inflationary top from this ancient provide disruption hasn’t but passed off.
BREAKING: April PPI Inflation surges to six%, smartly above expectancies of four.9% and the easiest stage since January 2023.
Core PPI Inflation rose to five.2%, above expectancies of four.3%.
Each CPI and PPI Inflation are actually formally at 3+ yr highs.
Odds of price HIKES are emerging.
— The Kobeissi Letter (@KobeissiLetter) May 13, 2026
In line with the Federal Reserve Financial institution of Cleveland’s Inflation Nowcasting software, which components in newly reported financial information to supply a present estimate of TTM inflation, costs are anticipated to stay mountaineering. The Cleveland Fed’s Would possibly estimate requires a 38-basis-point building up from April to 4.18%. It is price noting that the Inflation Nowcasting software has fairly underestimated reported inflation in every of the former two months.
The ugly fact of inflation is that issues may just get a lot worse for shoppers, companies, and Wall Side road within the coming months. Given the uncertainties surrounding the timeline of the Iran warfare and when the Strait of Hormuz may absolutely reopen, the FOMC could also be left with little selection however to shift to a impartial or mountaineering bias within the not-too-distant long run.
The imaginable mixture of price hikes with a traditionally dear inventory marketplace is not best. With out decrease lending charges as a buffer, the Dow Jones Commercial Reasonable, S&P 500, and Nasdaq Composite are prone to vital volatility and drawback.
Even though Powell’s time as Fed chair is over, his fact test on inflation will live to tell the tale for a number of months, if now not quarters, to return.


