Alibaba increases its share buyback program from $15B to $25B, sending its Hong Kong-listed shares up by 11%+; Alibaba has so far purchased ~$9.2B in shares (Arjun Kharpal/CNBC)

Arjun Kharpal / CNBC:
Alibaba increases its share buyback program from $15B to $25B, sending its Hong Kong-listed shares up by 11%+; Alibaba has so far purchased ~$9.2B in shares  —  - Alibaba said on Tuesday it will increase the size of its share buyback program from $15 billion to $25 billion, effective for a two-year period through March 2024.