Pepsi places an order for 100 of Tesla's newly-unveiled, all-electric semi trucks, the biggest single order yet for the vehicles. Wal-Mart and J.B. Hunt have also jumped on board. Plus, Comcast pulls out of the running to take over assets from 21st Century Fox. Reports say a deal could be announced as soon as this Thursday. And the SEC issuing a stern warning over the risks of Bitcoin, saying the unregulated cryptocurrency could be vulnerable to theft, loss, or hacking. And Paypal founder Max Levchin raises $200 million for his new firm, valuing the fin tech company at between $1.5 and $2 billion.