Musk Dispels Weeks of Doubt by Lining Up Money to Buy Twitter

After weeks of questions over whether Elon Musk is truly serious about acquiring Twitter Inc., his takeover bid got a lot more real on Thursday.

The Tesla Inc. mogul lined up about $25.5 billion in debt financing from Morgan Stanley and other financial institutions, according to a regulatory filing, as well as pledging to contribute an additional $21 billion of his own money through equity financing.

Though details are still scarce on how the billionaire will fund his share of the bid, it was a show-me-the-money moment that signaled Musk isn’t just trolling Twitter with his takeover ...