BUZZ-Tobacco stocks: Canadian court ruling weighs
** British American Tobacco (LSE: BATS.L - news) (BAT) down 2.3 pct, bottom of FTSE 100 & at 3.5-wk lows
** Co's Canadian subsidiary & 2 other tobacco cos sentenced to pay >C$15 bln in damages to Quebec smokers in two related class action cases
** Peer Imperial Tobacco (IMT) 6th-biggest UK blue-chip faller, traders cite read-across from Canadian ruling
** IMT & BAT 3rd & 7th most actively traded FTSE 100 stocks, respectively (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)