Published Jul 10, 2023 02:18AM ET © Reuters. FILE PHOTO: A sign of Antchain, the blockchain technology branch under Ant Group, is seen at Ant Group's booth during the World Artificial Intelligence Conference (WAIC) in Shanghai, China, July 8, 2021. REUTERS/Yilei Sun/File Photo BABA +8.00% Add to/Remove from Watchlist (Reuters) - China's Ant Group has announced a surprise share buyback that values the fintech giant at $78.5 billion, well below the $315 billion touted in an abandoned IPO in 2020, in a move that may let some investors exit. The announcement came after China's financial regulator on Friday fined the...