Alphabet (GOOGL) stock is extending gains on Nov. 17 after legendary investor Warren Buffett’s conglomerate revealed a new position in the technology company. According to its latest regulatory filings, Berkshire Hathaway (BRK.A) (BRK.B) has spent $4.3 billion to acquire 17.8 million shares of the Nasdaq-listed firm. More News from Barchart Following today’s rally, Google stock is up more than 100% versus its year-to-date low in early April. www.barchart.com Why Is Berkshire’s Stake Meaningful for Goo ...