** Rigmaker Lamprell up as much as 6 pct in healthyvolume after Citi increases TP to 155p from 110p
** Lamprell well-positioned to capitalise on the continuedstrength in upstream activity in the Middle East, Citi analystssay in note
** Numis adds co to its Top Picks portfolio for June
** Numis analysts reiterate "buy" citing possibility ofsuccessful bids for "mega project" contracts
** Top riser on FTSE All Share Oil Equipment and Servicesindex, with most of the index's constituents down1-2.4 pct (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)