(Bloomberg) -- Sumitomo Life Insurance Co. agreed to buy TPG Inc.’s stake in Singapore Life Holdings Pte as the Japanese insurer seeks to bolster its presence in Southeast Asia.Most Read from BloombergHyperloop One to Shut Down After Failing to Reinvent TransitHarvard Financial Pain Grows as Blavatnik Joins Donor RevoltVilified Zero-Day Options Blamed by Traders for S&P DeclineGiuliani Files for Bankruptcy After $148 Million Defamation LossUS Inflation Report to Show Fed’s Battle Is Now All But