NEW YORK - ConAgra Foods Inc. on May 7 filed a brief in the U.S. Bankruptcy Court for the Southern District of New York objecting to bankrupt Hostess Brands Inc.'s motion to withdraw from contributing to pension funds for its employees, contending that doing so would have "serious" financial consequences for other companies that contribute to the funds (In Re: Hostess Brands Inc., No. 12-22052, Chapter 11, S.D. N.Y. Bkcy.).