Watch CNBC's full interview with SEC Chairman Jay Clayton

The Securities and Exchange Commission voted to approve new rules that call for brokers to act in the best interest of their clients when advising them on investments. The decision coming one year after regulators first proposed the changes. SEC Chairman Jay Clayton joins "Squawk Box" to discuss the change as well as the regulation of cryptocurrencies and Elon Musk's tweets.
Thu, Jun 6 20198:46 AM EDT