BUZZ-WH Smith: Stifel raises to buy after recent pullback
** Shares (Berlin: DI6.BE - news) in retailer WH Smith (LSE: SMWH.L - news) up 3.2 pct, second-largest gainer on the FTSE mid-250 index, after Stifel raises rating on co to "buy" from "hold", PT of 1920p
** Analysts 12 pct share price drop from recent peak, represent "a useful buying opportunity for longer term, income-focused investors"
** Analysts say senior management team is well placed regardless of outcome of Brexit vote, add it has weathered more challenging headwinds than potential Brexit
** Stock among top-five gainers on the Stoxx 600 index, and top of the Stoxx 600 Retail Index
* A fifth of co's 30-day avg vols gone through in the first hour of trade, now set for third-straight day of gains (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)