WASHINGTON—U.S. Securities and Exchange Commission (SEC) Republican Commissioner Hester Peirce on Thursday tweeted congratulations to her Republican counterpart at the agency Elad Roisman, who would serve as the acting agency head after Jay Clayton announced he was stepping down on Wednesday. “Congratulations, Chairman Roisman!, I look forward to your leadership of the SEC.” Roisman, the…

WASHINGTON—U.S. Securities and Exchange Commission (SEC) Commissioner Elad Roisman will be named the agency’s acting head, after Chairman Jay Clayton officially announced he was stepping down on Dec. 23, according to a tweet by fellow Republican Commissioner Hester Peirce on Dec. 24. “Congratulations, Chairman Roisman! I look forward to your leadership of the SEC,” Pierce…