P500ORACLE 500 Mon20 Jan C4 1703:26        from ITN    GEC'S £1.2bn PLESSEY BID REFERRED 521 PLESSEY CIRCULAR PROMPTS LIBEL MOVE 522 POUND PLUMMETS ON OIL PRICE WORRIES 508 DISTILLERS BACKS £2bn GUINNESS BID 529 TSB SURPLUS UP 10% TO £170m 527 CHANNEL TUNNEL TO BUILD FIXED LINK 525  16.00FT 1108.8 -9.9 £=$1.4165 -2.20c 17.00SE 1378.3 -17.7 £Index 76.9 -1.0  Shares 501 & 502 World Markets 506 Stock Market 503 Currency Rates 507 FT/SE Index 504 Pound Report 508 Wall Street 505 Commodities 509 Companies 510 City Newsfile 520 Main Index 400 Time Off 530 ZOIDS ZOIDS ZOIDS FROM TOMY TOYS 187