Hotter Inflation Hits Tech Shares as Bank of America Slides

Gasoline jumped 9.1% in September, accounting for about half of the monthly rise in U.S. consumer prices. Investors worried that renewed price pressure could keep interest rates higher for longer.

According to dpa-AFX, the Nasdaq 100 fell 0.9% to 30,283 on Wednesday. The S&P 500 slipped 0.7% to 7,753, while the Dow Jones Industrial lost 0.1% to 51,623. Financial and technology shares took some of the sharpest losses.

Inflation tests rate expectations

The U.S. Bureau of Labor Statistics reported on Oct. 14 that consumer prices rose 0.6% in September from the previous month and 3.7% year over year. Both readings exceeded market expectations. Energy prices drove much of the increase: the energy index climbed 5.2%, while gasoline rose 9.1% and accounted for about half of the monthly increase in headline inflation. The BLS September CPI report put core inflation, excluding food and energy, at 0.3% for the month and 2.6% year over year. Those figures also topped consensus estimates of 0.2% and 2.5%.

Heating oil prices jumped 15.3% in September and were 74.2% higher than a year earlier. Gasoline prices were up 34.2% year over year. Market coverage linked the energy surge to continuing tensions surrounding the U.S.-Iran war, which began in late February 2026.

Dirk Chlench, an analyst at Landesbank Baden-Württemberg, also flagged a renewed rise in gasoline prices during October. He forecast that U.S. inflation could exceed 4% year over year in the coming months if that pressure persists.

That is an analyst forecast, not a confirmed inflation result or a Federal Reserve decision. Chlench expects the Fed to leave its policy rate unchanged at its upcoming October meeting, but considers a December increase likely. A higher-for-longer rate path can weigh on technology shares because investors often value profits expected further in the future less generously when borrowing costs rise.

The Nasdaq 100's 0.9% decline contrasted with the Dow's 0.1% drop, showing where the pressure was concentrated that day. Those moves describe one Wednesday's trading; they do not by themselves establish a change in the market's longer-term direction.

Bank shares face company risks

Bank of America shares slid nearly 8% after the U.S. Treasury Department announced more than $1.21 billion in penalties for violations of anti-money-laundering and sanctions laws. The actions, announced on Oct. 13, included a $1.2 billion FinCEN penalty. The Office of the Comptroller of the Currency imposed a $750 million civil penalty, which Treasury called the largest in that agency's history. The Office of Foreign Assets Control reached an $11.6 million settlement concerning 475 alleged sanctions violations.

Treasury described the bank's Bank Secrecy Act and anti-money-laundering program as deficient and ineffective. The Treasury announcement said the bank had failed to report more than $5 billion in suspicious transactions to FinCEN. More than $1 billion was linked to national-security risks and other priority illicit-finance concerns. The department cited activity involving Chinese money-laundering networks. It also pointed to illicit finance along the U.S. southwest border.

The bank's third-quarter trading revenue also fell short of expectations. That included revenue from bonds and currencies, along with commodities and stocks, giving investors another reason to reassess the shares.

Morgan Stanley fell almost 3% after reporting quarterly results. Stronger-than-expected revenue from stock trading failed to offset what market participants viewed as a disappointing bottom line. Its results capped what the market report described as a relatively weak earnings season for major banks. BlackRock moved in the opposite direction, gaining just over 1% after gathering about 20% more net new assets in the third quarter than expected.

Tech hardware loses ground

HP Inc (HP), NetApp and Dell Technologies each lost as much as 8%. Barclays downgraded the three companies after their recent share-price gains, citing a difficult investment climate among corporate customers. The report did not quantify expected spending cuts or show that companies had canceled orders; its stated concern was the climate for business investment.

For investors weighing the downgrade, that distinction matters. Barclays was assessing the shares and the business backdrop, not reporting a company announcement that demand had fallen by a specified amount. Technology hardware makers can feel shifts in corporate purchasing, while interest-rate expectations can separately affect how investors value future earnings.

Inflation data can shift expectations for borrowing costs, while company earnings and investment plans offer separate evidence about business conditions. For more context on valuation concerns around the broader rally, see this valuation analysis.