P1b3 CJJFAX 2vs Sun 22 Dec 1v:00/44       WALL STREET Close Close: Down 0.92 at 1.543.00 Stock prices finished mixed after an early advance faded in the last hour of trading. Advances outpaced declines bz nearly 2-to-1, with volume at 170.27 million shares - well up on previous sessions. * US real GNP rose at an annual rate of 3.2pc in the fourth quarter. Analysts said ttadjts generally took the GNP figures as encouraging. CITZNEWS Ind x 120