P235 CEEFAX 2 235 Sat 20 Sip 01:49/46       DOW CLOSES AMID CAUTION OVER G7 MEETING (close): Stocks closed on a mixed note as Wall Street grew cautious ahead of this weekend's Honk Kong meeting of the Group of Seven main industrial nations. The Dow Jones industrial average closed 5.45 points lower at 7,917.27. Declining issues led advances by a slim margin on an active volume of 633 million shares. Earnings worries also hit sentiment as Union Carbide said third quarter profits would not live up to forecasts. World Indices 233 Front Page 100 London stocks 234 City index 200 Euro/East Markets Dow Jones Main Menu