Gautam Adani has reclaimed his spot as Asia's richest person after a $2.5-billion surge in the shares of Adani Group on Friday, Forbes data showed. Adani's net worth swelled to $89.2 billion, ranking him ahead of Mukesh Ambani and SoftBank's Masayoshi Son. His fortune has increased by nearly $10 billion since US dismissed fraud charges against his company last month.