NATIONAL INTERGROUP &lt;NII> UNIT RAISES CRUDE PRICES
  Permian Corp, a subsidiary of National
  Intergroup, said it raised its crude oil postings by 50 cts a
  barrel, effective June 17.
      the company said its new posted price for West Texas
  Intermediate and West Texas Sour is 19 dlrs a barrel, while
  Light Louisiana Sweet is now 19.35. The price hike follows
  other increases industrywide.
  

