Hot Inflation Data and War Fears Sink Markets
U.S. stocks tumbled after January's wholesale inflation numbers came in hotter than expected, with the Producer Price Index jumping partly due to new tariffs. The S&P 500 fell 0.4% and the Dow dropped 1.1%, as the inflation surprise combined with news of military action in Iran to trigger a risk-off mood on Wall Street.
The January Producer Price Index (PPI) climbed 0.5%, but the real shock was in the core number, which strips out volatile food and energy. Core PPI surged 0.8%, more than double the 0.3% that economists had forecast, bringing the annual increase to a hot 3.6%. The primary driver for the wholesale inflation spike was a 0.8% monthly jump in the cost of services, the largest such increase since July 2025. This was led by a sharp 2.5% rise in trade services margins, which essentially measures the profits taken by wholesalers and retailers. A massive 14.4% surge in wholesale margins for professional and commercial equipment points to businesses passing tariff-related costs down the supply chain. While goods prices actually fell thanks to cheaper gasoline, the underlying trend in services suggests inflationary pressures are becoming more entrenched. Compounding the inflation fears, the U.S. and Israel launched a joint military operation in Iran dubbed "Operation Epic Fury." President Trump announced the "major combat operations" with the stated goal of preventing Iran from developing a nuclear weapon, while also calling for the Iranian people to overthrow their government. Explosions were reported in multiple Iranian cities, including the capital Tehran, with some strikes occurring near the offices of the Supreme Leader and the Islamic Revolutionary Guard Corps headquarters. The attacks followed weeks of heightened tensions and a significant U.S. military buildup in the region. Iran immediately retaliated by launching missiles at Israel and at least two major U.S. military bases in the Middle East. Iran's foreign ministry condemned the strikes as a "gross violation of Iran's territorial integrity and national sovereignty." The dual shocks of hot inflation and open conflict create a difficult environment for the Federal Reserve. Stubborn price pressures argue against cutting interest rates, while the geopolitical turmoil increases economic uncertainty and has already caused U.S. crude oil prices to jump over 3%. For investors, geopolitical risk was already a primary concern heading into 2026. The combination of persistent inflation and a widening war in the Middle East has now triggered a flight to safer assets like government bonds, even as the inflation data itself would typically push bond yields higher.