(Bloomberg) -- Masayoshi Son retreated almost completely from venture investing as his Vision Fund unit lost ¥6.9 trillion ($53 billion) in the last two years on startups like WeWork Inc., which just filed for bankruptcy. Now SoftBank Group Corp. founder is tip-toeing back into dealmaking after overhauling his strategy to make more modest, focused investments. Most Read from BloombergRockstar Plans to Announce Much Anticipated ‘Grand Theft Auto VI’US 30-Year Mortgage Rate Tumbles by Most in More