BUZZ-JD Wetherspoon: boosted by Stifel upgrade
** Pub operator J D Wetherspoon (LSE: JDW.L - news) +1.5 pct, among top risers on FTSE 250
** Stifel raises to "hold" from "sell", shares now close to its 850p TP after underperformance in recent months, highlights underlying FCF yield of ~8%, ex investment in new pubs and freehold purchases
** Adds Q1 trading update showed reasonable sales progress and a sharp improvement in margins (although this is unlikely to be sustainable for FY) (RM (LSE: RM.L - news) : rahul.b.thomsonreuters.com@reuters.net)