BROKERAGE FIRM UPS STAKE IN ALLEGHENY &lt;AG>

  The New York brokerage firm of Spear,
  Leeds and Kellogg told the Securities and Exchange Commission
  it had increased its preferred stock in Allegheny International
  Inc to 8.6 pct, from 7 pct.
      It said it may buy additional shares, but had not decided
  whether to offer its shares in response to a tender offer by
  Sunter Acquisition Corp, a unit of First Boston Inc.
      The brokerage firm said it bought the Allegheny shares
  March 30-April 2 for 86.50-87.25 dlrs each.
  

