General Comments It has been an interesting few days for the CME. First, the ICE's foray into grain and soy markets with all electronic trading for 22 hours a day beginning 14 May forced CME to announce that they too were going to a 22-hour electronic trading day also beginning 14 May. Exchanges can initiate such changes themselves, but CFTC reserves the right to review the decision and change or cancel it if it chooses to do so. Exchanges are required to submit the paperwork for self-initiated changes 10 days before the effective date of the change.In the rush to counter the ICE's move, the CME has not put the paperwork together in time to meet the 10-day requirement, and thus it has been forced to delay the beginning of its 22-hour tra...