S&P DOW JONES INDICES SAYS FORMFACTOR WILL REPLACE TWILIO IN THE S&P MIDCAP 400, CORTEVA WILL REPLACE OLIN CORP IN THE S&P MIDCAP 400 EFFECTIVE PRIOR TO THE OPENING OF TRADING ON OCTOBER 6, AND WORKIVA WILL REPLACE FORMFACTOR IN THE S&P SMALLCAP 600. 01-OCT-2026 05:24 PM ET