BUZZ-Ashtead: recovers after United Rentals-inspired weakness
** Ashtead up 2.9 pct on healthy volumes, top FTSE 100 gainer
** Jefferies flags robust US Equipment Residuals data from industry tracker Rouse which show May 2015 used equipment prices rose 0.6% M/M & 3.1% Y/Y
** Broker says residuals are important because: 1) Ashtead & peers make profits on equipment disposals above depreciated book values; 2) residual values are correlated to rental rates 3) Rising residuals help structural shift to rental
** Ashtead shares took a bruising last wk when US peer United Rentals (NYSE: URI - news) talked down May activity (Ashtead fell c.6 pct last wk) (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)