NEW YORK - The MF Global Litigation Trust on Sept. 16 filed an amended complaint against Jon S. Corzine and two other principals of bankrupt MF Global Holdings Ltd. (MGFH), alleging that their "serious and repeated breaches of fiduciary duties" caused MFGH to collapse (MF Global Litigation Trust v. Jon S. Corzine, et al. $(In Re: MF Global Holdings Ltd.$), No. 113-01333, S.D. N.Y. Bkcy.).