U.S. President Donald Trump said on Tuesday he was open to billionaire Elon Musk buying social media app TikTok if the Tesla CEO wanted to do so.

Tesla Inc. says it is raising prices by up to $9,000 starting Feb. 1 on its Model 3 vehicle, the cheapest in its lineup. The company says it will also be raising prices on the Model Y, X and S by $4,000 at the same time.

special Tesla sure has a thing for random-seeming codenames for its models. The Model 3 sedan revised last year, for example, carried the internal designation "Highland." For the 3's SUV sibling ...