U.S. swaps watchdog sought $413 million in penalties in fiscal 2017, down 68% from the previous year.

Hackers may have had access to Edgar filing system for months.

Hackers may have had access to Edgar filing system for months.

Breach of the system that houses corporate filings occurred in 2016.

Breach of the system that houses corporate filings occurred in 2016.

Ex-commissioner Atkins leads Trump effort to find new chief.

Ex-commissioner Atkins leads Trump effort to find new chief.

Firms under scrutiny include TFS-ICAP, Tullett Prebon and BGC Partners.