On March 8th, the SEC granted immediate effectiveness to The Option Clearing Corporation's proposed rule change that will accommodate a request made by OneChicago LLC to refine the adjustment increment when stock futures are adjusted in response to corporate actions. Currently, the adjustment increment for stock futures is the minimum increment in settlement prices, which is one cent ($.01). OneChicago wants to change the adjustment increment for stock futures to one hundredth of a cent ($.0001). Daily settlement prices and trade prices would continue to be expressed in pennies on a per-contract basis. This change would affect any corporate action for which settlement prices are adjusted, including cash distributions. Comments should be submitted within 21 days after publication in the Federal Register, which is expected during the week of March 15. SEC Release No. 34-61673.