BUZZ-Ashtead: United Rentals read lifts stock for a second day
** Ashtead still feeling positive effects of encouraging Q3 from US peer United Rentals (NYSE: URI - news) , traders say
** Stock up 3.1%, among top FTSE 100 risers, on heels of Thursday's 3.9% gain
** JPMorgan reiterates "overweight" rating on Ashtead, flags URI reiterating FY15 guidance stops trend of downgrades in the last two quarters
** Ashtead shares had been snared by concerns over slowing US rental growth, -11.6% YTD (but seen recent rally, +11% since start Sept when posted Q1 profit beat) (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)