TikTok is facing a ban in one of its biggest markets, the United States. With over 170m monthly users in the U.S., this is a fight that parent company ByteDance does not want to lose. Today is their last chance to plead for a halt to the ban. Here's everything you need to know. Plus: JCPenney completes a risky merger and Rolls Royce invests in more bespoke cars.