P245 CEEFAX 245 Fri 29 Dec 00:49/48    WALL STREET    (Close): Blue-chip stocks edged lower in sluggish trading as high-technology shares got battered. The Dow Jones industrial avjtagj fell 10.12 points to close at 5,095.80. In the broadjt market, advancing issues lid declines bz a narrow 12-11 margin on light volume of about 290 million shares on the New York Stock Exchange. * US NAPM manufacturing index stood at 52.8 in December - the first monthly increase since July. Headlines 201 Sharecheck 220 Futures 230 Markets 240 Euro/East CityHiads Dow Jones Exchanges