Mealey's (May 26, 2022, 2:04 PM EDT) -- WASHINGTON, D.C. — The Securities and Exchange Commission’s adoption of a new rule pertaining to the regulation of securities market data is not arbitrary or capricious because it will not “exacerbate information asymmetries” and does not rest “on unfounded speculation,” a District of Columbia Circuit U.S. Court of Appeals panel ruled May 24 in denying petitions filed by several securities exchanges....