Why is Alibaba stock climbing today?

Alibaba shares climbed 1.5% to HK$115.9 on Monday following news Jack Ma, the company's founder, had purchased a significant number of Hong Kong-listed shares. The South China Morning Post reported Ma bought over HK$600 million worth of Alibaba stock over two days, a move seen as a strong endorsement of the firm's AI plans. Chairman Joe Tsai made two consecutive purchases totaling roughly HK$160 million, while CEO Eddie Wu added to his holdings, pushing his total stake past HK$200 million.

A recently filed disclosure confirmed Tsai's shareholding had grown to 1.44%. The Hong Kong market as a whole was on the rise, with the Hang Seng Index rebounding nearly 1.1% after recent sharp declines.