https://www.alojapan.com/1264733/berkshire-endorses-japanese-trading-houses-could-hold-them-forever/ Berkshire endorses Japanese trading houses, could hold them ‘forever’ #BerkshireHathaway #Japan #JapanNews #Japanese #JapaneseNews #JapaneseTradingHouses #Nebraska #news #Omaha #TradingHouses #WarrenBuffett By Jonathan Stempel OMAHA, Nebraska (Reuters) -Warren Buffett on Saturday gave a full-throated endorsement to the five Japanese trading houses in which his conglomerate Berkshire Hathaway has invested. Buffett spoke at Berkshir…