BUZZ-RPS: worst day in 2 yrs on weakness in energy consultancy unit
** Consultancy firm RPS down c.9 pct, on course for biggest one-day drop in 2 yrs & at its lowest levels since early Feb
** "Slower than expected" start to yr at energy unit, its largest division
** Says volatility in oil & gas sector has been a "major issue" due to impact on clients' projects, adds near-stabilisation in February was fragile
** Liberum cuts EPS by 7 pct & 4 pct respectively for 2015, 2016 & TP to 300p vs 350p, but keeps 'buy' rating
** Panmure Gordon says risks to energy earnings not fully reflected in consensus expectations, keeps 'sell' rating & 200p TP (rm://richa.naidu.thomsonreuters.com@reuters.net)