BUZZ-Weir: warns of revenue impact from oil plunge
** Weir, latest co to warn of severe impact of the oil price rout, down 6 pct & on course for biggest one-day pct drop since early Jan as says it expects significant reduction in 2015 revenue
** Easily top faller on FTSE 100 & second-most actively traded stock on the index, with 40 pct of its 90-day daily avg volume having gone through in less than 20 mins
** Analysts at Liberum say 2015 consensus could fall as much as 20 pct
** Co makes valves & pumps for energy & mining industries (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)