How much did Jack Ma's speech cost Ant Group? About $230 billion

Ant Group has announced a share buyback that values it at $78.5 billion, which is about $230 billion or 75% less than the valuation it fetched nearly three years ago, before its IPO was yanked by Chinese regulators.

source https://www.cnn.com/2023/07/10/investing/china-ant-group-valuation-jack-ma-intl-hnk/index.html