SCHEDULE 13G Amendment No. 1 SPX Corp. Common Stock $10 par value Cusip# 784-635-10-4 Item 1: Reporting Person Tiger Management L.L.C. Item 4: Delaware Item 5: -0- Item 6: -0- Item 7: -0- Item 8: -0- Item 9: -0- Item 11: 0% Item 12: IA Cusip # 784-635-10-4 Item 1: Reporting Person Tiger Performance L.L.C. Item 4: Delaware Item 5: -0- Item 6: -0- Item 7: -0- Item 8: -0- Item 9: -0- Item 11: 0% Item 12: IA Cusip # 784-635-10-4 Item 1: Reporting Person Julian H. Robertson, Jr. Item 4: U.S. Item 5: -0- Item 6: -0- Item 7: -0- Item 8: -0- Item 9: -0- Item 11: 0% Item 12: IN Item 1(a). SPX Corp. Item 1(b). 700 Terrace Point Drive Muskegon, Michigan 49443-3301 Item 2(a). This statement is filed on behalf of Tiger Management L.L.C.("TMLLC") and Tiger Performance L.L.C. ("TPLLC"). Julian H. Robertson, Jr. is the ultimate controlling person of TMLLC and TPLLC. Item 2(b). The address of each reporting person is 101 Park Avenue, New York, NY 10178 Item 2(c). Incorporated by reference to item (4) of the cover page pertaining to each reporting person. Item 2(d). Common Stock $10 par value Item 2(e). Cusip # 784-635-10-4 Item 3. TMLLC and TPLLC are investment advisers registered under Section 203 of the Investment Advisers Act of 1940. Item 4. Ownership is incorporated by reference to items (5)-(9) and (11) of the cover page pertaining to each reporting person. Item 5. The reporting persons have ceased to be the beneficial owners of more than five percent of the class as of 12/31/99. Item 6. Not applicable Item 7. Not applicable Item 8. Not applicable Item 9. Not applicable Item 10 By signing below, I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 14, 2000 TIGER MANAGEMENT L.L.C. /s/ Nolan Altman, Chief Financial Officer TIGER PERFORMANCE L.L.C. /s/ Nolan Altman, Chief Financial Officer JULIAN H. ROBERTSON, JR. By: /s/ Nolan Altman Under Power of Attorney dated 1/11/00 On File with Schedule 13GA No. 3 for Bowater Incorporated 2/14/00, Attached Exhibit AGREEMENT The undersigned agree that this Amendment No. 1 for Schedule 13G dated February 14, 2000 relating to shares of common stock of SPX Corp. shall be filed on behalf of each of the undersigned. TIGER MANAGEMENT L.L.C. /s/ Nolan Altman, Chief Financial Officer TIGER PERFORMANCE L.L.C. /s/ Nolan Altman, Chief Financial Officer JULIAN H. ROBERTSON, JR. By: /s/ Nolan Altman Under Power of Attorney dated 1/11/00 On File with Schedule 13GA No. 3 for Bowater Incorporated 2/14/00, Attached Exhibit