恒指涨幅扩大至2%，阿里巴巴涨超18%。

Core Viewpoint - The Hang Seng Index has increased by 2%, with Alibaba's stock rising over 18% [1] Group 1 - The significant rise in the Hang Seng Index indicates a positive market sentiment [1] - Alibaba's stock performance reflects strong investor interest and confidence in the company [1]