SPIE BATIGNOLLES COULD INCREASE COMSTOCK HOLDING
  Construction group &lt;Spie Batignolles> is
  negotiating to increase its holding in U.S. Engineering and
  electrical installations firm &lt;Comstock>.
      Spie Batignolles, a subsidiary of Schneider SA &lt;SCHN.PA>,
  said in a statement it was negotiating to invest 20 mln dlrs in
  Comstock in the form of bonds convertible into shares.
      Spie Batignolles has held a 20 pct stake in Comstock since
  February 1986. A spokesman said if Spie Batignolles converted
  all the new bonds, it could open the way for the French company
  to take control of Comstock but he gave no other details.
  

