A mix of high borrowing costs, dwindling job openings and growing economic and political uncertainty have left many U.S. households at a standstill, with many Americans saying they feel unable to buy new homes, take new jobs or move to new cities. The Federal Reserve’s interest rate cut last week — the first of the year, with the expectation that more will follow — may have boosted stock prices, but it isn’t likely to make much of a difference to everyday Americans, economists say. While the economy is generally in good shape, many people feel stuck. “Consumers have been increasingly...