BusinessU.S. SEC chair tells Congress he plans new rules on climate risk, trading Katanga JohnsonPete Schroeder 4 minute read The new chair of the U.S. securities regulator told lawmakers on Thursday the agency was considering new trading rules to address issues raised by this year's GameStop Corp (GME.N) trading saga and the meltdown of private fund Archegos Capital. Gary Gensler also told the House of Representatives Financial Services Committee, just three weeks after being sworn in as Securities and Exchange Commission (SEC) chair, that he expected to propose new rules on corporate climate risk disclosures in the second half of 2021.