BUZZ-Ashtead: knocked back as peer United Rentals slumps in U.S.
** Ashtead slides more than 8 pct and is the top loser by far on the FTSE after U.S. peer United Rentals (NYSE: URI - news) suffers broker downgrade overnight.
** United Rentals down 11 pct overnight
** United Rentals downgraded by Evercore from "Buy" to "Sell", fell 8 pct after UK close
** Ashtead leads fallers on FTSE 100, biggest one-day fall for stock since 2012
** Most traded on index at 0.23 times 30-day volume versus 0.04 for the FTSE 100 as a whole
(RM (LSE: RM.L - news) : alasdair.pal.thomsonreuters.com@reuters.net)