BUZZ-Drax: hits 2-mth lows after RBC cuts rating, PT
** Power producer's shares down 3.3 pct after RBC cuts rating to "sector perform" from "outperform", PT to 380p from 575p
** Lower commodity prices are putting pressure on power prices in UK, RBC (Other OTC: RBCI - news) analysts say
** Analysts also highlight uncertainties regarding incentive schemes for co's conversion of units into biomass
** Stock biggest drag on FTSE 350 Electricity Index at 2-mth lows, trading in decent volumes (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)