BUZZ-Auto Trader: top of FTSE 250 after bullish broker note
** Auto Trader (LSE: AUTO.L - news) up 2.2 pct at top of FTSE 250 as Exane BNP Paribas initiates coverage on stock at "outperform"
** Flags co, the dominant automotive classified website in the UK, at centre of rapid shift by buyers towards finding cars through smartphones
** Broker says its interviews with car dealers suggest co is industry's largest lead generator -- critical for a customer base that owns fast-depreciating assets; also expects rapid proliferation of co's productivity tool iControl
** Stock has added a third to its value since its 235p IPO in March (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)