5 Min Read BOSTON/NEW YORK (Reuters) -China’s regulatory-imposed revamp of Jack Ma’s Ant Group, transforming the hot fintech into a financial holding company, appears to have dented some investor appetite for any plans to revive what would have been the world’s biggest IPO. FILE PHOTO: A sign of Ant Group is seen during the World Internet Conference (WIC) in Wuzhen, Zhejiang province, China, Nov. 23, 2020. REUTERS/Aly Song/File Photo The overhaul comes two days after affiliate Alibaba Group Holding Ltd, which owns around a one-third stake in Ant, was hit with a record $2.75 billion anti...