<h1>Tariffs: U.S.-China negotiation signals boosted markets amid uncertainty over stagflation risks and policy constraints.</h1> U.S.-China tariff overtures prompted positive market reactions after China's Commerce Ministry said it was assessing U.S. approaches to negotiate on tariffs. The article links those signals to improved investor sentiment supported by strong corporate earnings, while noting ongoing macroeconomic concerns-mixed labor-market data, shifting Treasury yields, and risks of concurrent stagnation and inflation-that complicate monetary policy responses and illustrate how tariff risks transmit through corporate forecasts, equity markets, and commodity and currency prices.