Cathie Wood, chief executive officer and chief investment officer, Ark Invest, gestures as she speaks during the Bitcoin 2022 Conference at Miami Beach Convention Center on April 7, 2022 in Miami, Florida. LISBON, Portugal — Ark Invest founder Cathie Wood thinks Elon Musk might be onto something with his vision for Twitter. "He's thinking about a super app like WeChat Pay," Wood said at the Web Summit technology conference in Lisbon, Portugal, Wednesday. Wood was referring to the digital payments service of Chinese messaging app WeChat. It is used often in China for things like instant messaging, social media and...