It's no surprise that Musk is leaning into AI — the CEO has spoken about the idea in many of Tesla's earnings calls over the last year. What sets his approach apart, analysts say, is the way he's blending the boundaries between his companies.

Cathie Wood and Ark Invest scooped up nearly 60,000 shares of TeslaTSLA in Friday's stock market as CEO Elon Musk seeks further cooperation between his businesses with SpaceX and potentially Tesla investing in his artificial intelligence company,