TechnologyWarren Buffett’s Berkshire Makes Bigger Amazon Bet, Boosting Stake 11%FacebookXLinkedInEmailLinkGiftBerkshire Hathaway Boosts Amazon BetFacebookXLinkedInEmailLinkGiftGift this articleContact us:Provide news feedback or report an errorConfidential tip?Send a tip to our reportersSite feedback:Take our SurveyNew WindowFacebookXLinkedInEmailLinkGiftBy Katherine Chiglinsky and Elizabeth RembertAugust 14, 2019 at 8:54 PM UTCBookmarkSaveLock This article is for subscribers only.Warren Buffett’s company deepened its wager on Amazon.com Inc.