US inflation dropped to 2.4% in January after last year’s tariff-driven price swings.Prices rose 0.2% from December, according to the consumer price index.Core inflation increased 0.3% for the month. Economists expected a slight decline to 2.5%.Inflation hit 2.3% in April, then climbed to 3% by September.It fell again to 2.7% at the end of the year. The White House credited Trump’s economic agenda for stabilizing prices.It rejected claims that tariffs caused lasting inflation. Investors watch the data…