UK defense companies rise after UK-US trade deal comes into effect
** Shares in UK's defence sub-Index .FTNMX502010 up 1.83% after US-UK trade deal goes into effect ** 10% tariff for aircraft engines and parts removed under new deal ** Rolls Royce RR.L top gainer in the defence sub-index and broader FTSE 100, up nearly 3% ** QinetiQ QQ.L climbs up 2.2% ** Chemring CHG.L, Melrose Industries MRON.L, Avon Tech AVON.L rise over 1% ** YTD, sub-index up 63.8% (Reporting by Unnamalai L in Bengaluru) ((Unnamalai.L@thomsonreuters.com;))