The dynamic between Musk and Yaccarino has been a subject of intense scrutiny since she inherited the difficult task of steering a massive overhaul that included an exodus of advertisers and a resulting loss of revenue since the mogul paid $44 billion for the social media site last year. Yaccarino’s task as CEO grew more complicated after Musk surprised the public by ditching Twitter’s brand in favor of the “X” name Yaccarino said X has made significant strides in rebuilding its base of major advertisers, with Coca-Cola and Visa among the notable brands that have purportedly returned to the fold....