Hang Seng Index rises as tech hits skids on mainland

The mainland's blue-chip index dropped more than two percent to a one-year low on Monday as optimism over the US-China summit faded, leaving investors focused on deepening economic imbalances and geopolitical risks. In Hong Kong, the benchmark Hang Seng Index ended 132 points, or 0.5 percent, to 24,642 on turnover of HK$177.48 billion. The tech index lost 15 points, or 0.4 percent, to 4,296 while the China enterprises index gained 51 points, or 0.6 percent, to 8,216. On the mainland, the benchmark Shanghai Composite Index ended down 64 points, or 1.67 percent, to 3,823. The Shenzhen Component Index plunged 458 points, or 3.44 percent, to 12,858 while the ChiNext Index dived 149 points, or 4.53 percent, to 3,139. The technology slump came after US lawmakers moved towards restricting the use of Chinese-made components used in AI data centres, dampening an already thin risk appetite ahead of a week-long holiday from October 1. The large-cap CSI300 Index ended the session 2.2 percent lower, its biggest loss in five weeks and touching its lowest point since August 2025. China and the United States said they had agreed to reduce tariffs on US$30 billion of goods in each direction, and launch a dialogue on AI, following a meeting between President...