Chinese Stocks Gain After Holiday on Tariff Relief, AI Buzz

China’s onshore shares rose as traders returned from a nine-day Lunar New Year break, with optimism about lower US tariffs and homegrown technologies offsetting mixed signals on holiday spending.

The benchmark CSI 300 Index ended Tuesday up 1%, with hardware tech shares among the top performers. Hong Kong stocks retreated after a Monday rally.

The gains suggest investors welcome the US Supreme Court’s decisionFriday to strike down President Donald Trump’s reciprocal tariffs. While Trump later announced plans for a 15% global rate, Morgan Stanley estimates that the average levies on goods from China will decline to 24% from 32%. ...