21.   The change could ease supply concerns as it goes into effect when refiners begin building summer gasoline stocks.

22.   The price was the minimum set for the privatization of the electrical generating and supply concern serving densely populated Rio de Janeiro state.

23.   Oil stocks benefitted from supply concerns following a new international survey and reports of a possible fire at a US refinery.

24.   Prices should remain firm going forward on supply concerns.

25.   The price was the minimum that had been set for the privatization of the electrical generating and supply concern serving densely populated Rio de Janeiro state.