Elon Musk’s newly disclosed 9.2% stake in Twitter Inc. has made him the largest shareholder of the social media-company, topping co-founder and former Chief Executive Jack Dorseyand elbowing out numerous financial institutions.Mr. Musk!-->!-->!-->!-->…
AT&T Inc. detailed its plans for the spinoff of WarnerMedia on Friday, with investors eventually expected to receive a share of the new streaming-media entity for every four AT&T shares they own. AT&T…