Traders work on the floor at the New York Stock Exchange in New York City, U.S., Sept. 17, 2025.But the narrative now is shifting towards the ever-popular wealth effect coming from Wall Street and a succession of new highs in major stock indexes despite lofty valuations.Previously, such trends had been powered by trillions in stimulus from both congressional spending and low interest rates and liquidity injections from the Federal Reserve.Consumer spending in August was stronger than expected and so was inc ...