SEC has said it was investigating Musk's 2022 purchases of Twitter stock, his statements and SEC filings of Twitter
The world's biggest central banks are stepping up work on issuing digital cash
Says it is working with other regulators and stock exchange to monitor potential wrongdoing
Citing confusion in the markets over whether the products are exchange-traded funds
Suggesting they were not yet convinced that the products would not be subject to fraud or manipulation
SEC's new unit will also focus on market manipulation schemes, hacking and intrusions into retail brokerage accounts