LABORERS NAT. PENSION FUND v. NORTHERN TRUST QUANTITATIVE ADVISORS

LABORERS NATIONAL PENSION FUND, an employee pension benefit plan, et al., Plaintiffs, Bill L. Harbert, Board of Trustee; Arthur A. Coia, Board of Trustee; Bruce Hughes, Board of Trustee; R. P. Vinall, Board of Trustee; Robert D. Sheehan, Board of Trustee; Mason M. Warren, Board of Trustee; Billy L. Harbert, Jr., Board of Trustee; Carl E. Booker, Board of Trustee; Plaintiffs-Appellees, v. NORTHERN TRUST QUANTITATIVE ADVISORS, INC., a corporation; The First National Bank of Chicago, a corporation; American National Bank and Trust Company of Chicago, a corporation; Defendants, Northern Trust Quantitative Advisors, Inc., a corporation; American National Bank and Trust Company of Chicago, a corporation; Defendants-Appellants.