BUZZ — Chemring rises as UK unit signs five — year partnership with US contractor

* Shares of global aerospace and defence products maker Chemring up 1.6% at 508 p * CHG's UK unit Roke Manor Research signs five-year strategic partnership with major US prime contractor * ROKE receives initial production order worth $16 million, with agreement worth at least $170 mln over five years * YTD, stock up about 6% (Reporting by Tuhina in Bengaluru) ((tuhina@thomsonreuters.com)