China’s Greater Bay Area business activity reached a four-year high in Q3 2025, supported by a temporary US-China tariff truce and stronger financial market momentum, according to the GBA Business Confidence Index by Standard Chartered Bank and the Hong Kong Trade Development Council. The headline index climbed to 54.7 from 53.1 in Q2, while the expectations index hit 55.7 — its highest in two years — signalling robust optimism. New orders and prices of finished goods rose sh