Gautam Adani, whose wealth has climbed to $92.6 billion, has overtaken Mukesh Ambani to become Asia's richest individual. His wealth has increased by $8.1 billion so far this year, driven by strong performance across his group's listed companies. Even on a relatively muted trading day, Adani Group shares moved higher. Meanwhile, Ambani's net worth has declined by $16.9 billion.