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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1 )
SPX Corporation
- ------------------------------------------------------------
(Name of Issuer)
COMMON STOCK
- -------------------------------------
(Title of Class of Securities)
784635104
- -------------------------------------
(CUSIP Number)
Check the following box if a fee is being paid with this
statement //. (A fee is not required only if the filing
person: (1) has a previous statement on file reporting
beneficial ownership of more than five percent of the class
of securities described in Item 1; and (2) has filed no
amendment subsequent thereto reporting beneficial ownership
of five percent or less of such class.) (See Rule 13d-7.)
*The remainder of this cover page shall be filled out for a
reporting persons initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior page.
The information required in the remainder of this cover page
shall not be deemed to be filed for the purpose of Section
18 of the Securities Exhange Act of 1934 (Act) or
otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act
(however, see the Notes).
Page 1 of 6 Pages
CUSIP No. 784635104 13G Page 2 of 6 Pages
- ------------------------------------------------------------
(1) NAME OF REPORTING PERSON S.S. OR I.R.S IDENTIFICATION
NO. OF ABOVE PERSON
ICM ASSET MANAGEMENT, INC.
91-1150802
- ------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A
GROUP* (a) / /
(b) / /
- ------------------------------------------------------------
(3) SEC USE ONLY
- ------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
WASHINGTON
- ------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 577,150
SHARES ----------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 0
EACH -------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON 830,800
WITH ----------------------
(8) SHARED DISPOSITIVE POWER
0
------------------------
- ----------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
830,800
- ------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* / /
- ------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.7%
- ------------------------------------------------------------
(12) TYPE OF REPORTING PERSON*
IA
- ------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 2 of 6 Pages
ITEM 1
(a). Name of Issuer SPX Corporation
(b). Address of Issuer's Principal Executive
Offices 700 Terrace Point Dr., Muskegon MI 49443
ITEM 2
(a). Name of Person Filing ICM Asset Management, Inc.
(b). Address of Principal Business Office or, if
none, Residence
601 W. Main Ave., Ste. 600, Spokane, WA 99201
(c). Citizenship Washington
(d). Title of Class of Securities COMMON STOCK
(e). CUSIP Number 784635104
ITEM 3 IF THIS STATEMENT IS FILED PURSUANT TO RULES
13D-1(b), OR 13D-2(b), CHECK WHETHER THE
PERSON FILING IS A:
(a). / / Broker or Dealer registered under Section
15 of the Act
(b). / / Bank as defined in section 3(a) (6) of
the Act
(c). / / Insurance Company as defined in section
3(a) (19) of the Act
(d). / / Investment Company registered under
section B of the Investment Company Act
(e). /X / Investment Adviser registered under
section 203 of the Investment Advisers Act
of 1940
(f). / / Employee Benefit Plan. Pension Fund
which is subject to the provisions of the
Employee Retirement Income Security Act
of 1974 or Endowment Fund; see Section
240.13d-1(b) (1) (ii) (F)
(g). / / Parent Holding Company, in accordance
with Section 240.13d-1(b) (ii) (6) (Note:
See Item 7)
(h). / / Group, in accordance with Section
240.13d-1(b) (1) (ii) (H)
ITEM 4 OWNERSHIP
If the percent of the class owned, as of
December 31 of the year covered by the
statement, or as of the last day of any
month described in Rule 13d-1(b) (2), if
applicable, exceeds five percent, provide
the following information as of that date
and identify these shares which there is
a right to acquire.
(a) Amount Beneficially Owned
830,800
--------------------------
(b) Percent of Class
5.7%
--------------------------
Page 3 of 6 Pages
(c) Number of shares as to which such person
has:
(I) sole power to vote or to direct the
vote 577,150
(ii) shared power to vote or to direct
the vote 0
(iii) sole power to dispose or to
direct the disposition of 830,800
(iv) shared power to dispose or to
direct the disposition of 0
INSTRUCTION: For computations regarding securities which
represent a right to acquire an underlying
security see Rule 13d-3(d) (1).
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
If this statement is being filed to report the
fact that as of the date hereof the reporting
person has ceased to be the beneficial owner of
more than five percent of the class of
securities, check the following. / /
INSTRUCTION: Dissolution of a group requires a
response to this item.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF
OF ANOTHER PERSON
If any other person is known to have the right
to receive or the power to direct the receipt of
dividends from, or the proceeds from the sale of
such securities, a statement to that effect
should be included in response to this item and,
if such interest relates to more than five
percent of the class, such person should be
identified. A listing of the shareholders of an
investment company registered under the
Investment Company Act of 1940 or the
beneficiaries of employee benefit plan, pension
fund or endowment fund is not required.
Clients of ICM Asset Management, Inc. have the right to
receive or the power to direct the receipt of dividends
from, or the proceeds from the sale of these securities.
No such interest relates to more than 5% of the class.
Page 4 of 6 Pages
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE
SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING
REPORTED ON BY THE PARENT HOLDING COMPANY
If a parent holding company has filed this
schedule, pursuant to Rule 13d-1(b) (ii) (g), so
indicate under Item 3(g) and attach an exhibit
stating the identity and the Item 3
classification of the relevant subsidiary. If a
parent holding company has filed this schedule
pursuant to Rule 13d-1(c), attach an exhibit
stating the identity of each member of the group.
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF
MEMBERS OF THE GROUP
If a group has filed this schedule pursuant
to Rule 13d-1(b) (ii) (H), so indicate under Item
3(h) and attach an exhibit stating the identify
and Item 3 classification of each member of the
group. If a group has filed this schedule
pursuant to Rule 13d-1(c), attach an exhibit
stating the identity of each member of the group.
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Notice of dissolution of a group may be
furnished as an exhibit stating the date of the
dissolution and that all further filings with
respect to transactions in the security reported
on will be filed, if required, by members of the
group, in their individual capacity. See Item 5.
Not Applicable
ITEM 10. CERTIFICATION
The following certification shall be included
when the statement is filed pursuant to Rule 13d
-1(b):
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 purposes or effect.
Page 5 of 6 Pages
SIGNATURE
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.
(Date) Fecbruary 10, 1997
_______________________________
Signature
Leslie J. Yates SEC./TREASURER
(Name/Title)
Page 6 of 6 Pages