Oct 15 (Reuters) - Securities analysts revised their ratings and price targets on several
Canadian companies, including Black Diamond Group, Imperial Oil Ltd and Suncor Energy, on
Tuesday. 
    
    HIGHLIGHTS    
     * Black Diamond Group Ltd  BDI.TO : CIBC raises to neutral from underperformer
     * Imperial Oil Ltd  IMO.TO : CIBC raises to neutral from underperformer
     * Suncor Energy Inc  SU.TO : CIBC cuts target price to C$53 from C$55
        
Following is a summary of research actions on Canadian companies reported by Reuters on Tuesday.
Stock entries are in alphabetical order. 
   
     * AG Growth International Inc  AFN.TO : National Bank of Canada cuts PT to C$61 from C$63
     * Arc Resources Ltd  ARX.TO : CIBC cuts target price to C$9.5 from C$11
     * Athabasca Oil Corp  ATH.TO : CIBC cuts target price to C$1.15 from C$1.3
     * Baytex Energy Corp  BTE.TO : CIBC cuts target price to C$3 from C$4
     * Birchcliff Energy Ltd  BIR.TO : CIBC cuts target price to C$3.5 from C$4
     * Black Diamond Group Ltd  BDI.TO : CIBC raises to neutral from underperformer
     * Bonterra Energy Corp  BNE.TO : CIBC cuts target price to C$5 from C$7
     * Calfrac Well Services Ltd  CFW.TO : CIBC cuts target price to C$2.25 from C$3.25
     * Canadian Natural Resources Ltd  CNQ.TO : CIBC cuts target price to C$46 from C$48
     * Cenovus Energy Inc  CVE.TO : CIBC cuts target price to C$16 from C$16.5
     * Enerflex Ltd  EFX.TO : CIBC cuts target price to C$18 from C$20
     * Ensign Energy Services Inc  ESI.TO : CIBC cuts target price to C$5 from C$6.5
     * Ero Copper Corp  ERO.TO : CIBC cuts target price to C$17 from C$23
     * Freehold Royalties Ltd  FRU.TO : CIBC cuts target price to C$9 from C$9.5
     * Gran Tierra Energy Inc  GTE.TO : CIBC cuts target price to C$2.5 from C$4
     * Husky Energy Inc  HSE.TO : CIBC cuts target price to C$10.5 from C$13
     * Imperial Oil Ltd  IMO.TO : CIBC raises to neutral from underperformer
     * Imperial Oil Ltd  IMO.TO : CIBC raises target price to C$38 from C$37
     * Kelt Exploration Ltd  KEL.TO : CIBC cuts target price to C$5.5 from C$6.5
     * MTY Food Group Inc  MTY.TO : National Bank of Canada cuts target price to C$67 from C$70
     * Mullen Group Ltd  MTL.TO : CIBC cuts target price to C$14.5 from C$15
     * Nuvista Energy Ltd  NVA.TO : CIBC cuts target price to C$4 from C$5.25
     * Painted Pony Energy Ltd  PONY.TO : CIBC cuts target price to C$1 from C$1.5
     * Paramount Resources Ltd  POU.TO : CIBC cuts target price to C$6.5 from C$7.75
     * Pason Systems Inc  PSI.TO : CIBC cuts target price to C$22 from C$24
     * Pengrowth Energy Corp  PGF.TO : CIBC cuts target price to C$0.2 from C$0.3
     * Petrus Resources Ltd  PRQ.TO : CIBC cuts target price to C$0.25 from C$0.5
     * Peyto Exploration & Development Corp  PEY.TO : CIBC cuts target price to C$4 from C$6
     * Precision Drilling Corp  PD.TO : CIBC cuts target price to C$3.75 from C$4.5
     * Secure Energy Services Inc  SES.TO : CIBC cuts target price to C$9 from C$10.5
     * Source Energy Services Ltd  SHLE.TO : CIBC cuts target price to C$0.25 from C$0.5
     * Step Energy Services Ltd  STEP.TO : CIBC cuts target price to C$4.5 from C$5
     * Storm Resources Ltd  SRX.TO : CIBC cuts target price to C$2 from C$2.5
     * Suncor Energy Inc  SU.TO : CIBC cuts target price to C$53 from C$55
     * Surge Energy Inc  SGY.TO : CIBC cuts target price to C$1.5 from C$1.75
     * Tamarack Valley Energy Ltd  TVE.TO : CIBC cuts target price to C$3 from C$3.5
     * Tervita Corp  TEV.TO : CIBC raises target price to C$9.5 from C$8.5
     * Total Energy Services Inc  TOT.TO : CIBC cuts target price to C$8.5 from C$10.5
     * Tourmaline Oil Corp  TOU.TO : CIBC cuts target price to C$20 from C$25
     * Trican Well Service Ltd  TCW.TO : CIBC cuts target price to C$1.25 from C$1.5
     * Vermilion Energy Inc  VET.TO : CIBC cuts target price to C$25 from C$32.50
     * Whitecap Resources Inc  WCP.TO : CIBC cuts target price to C$6.5 from C$7.25
     * Yangarra Resources Ltd  YGR.TO : CIBC cuts target price to C$2 from C$3
 
 (Compiled by Bengaluru Newsroom)
 ((Diaries@thomsonreuters.com))