anchor.diff:  GOOGL,27
   GOOG,15
   MO,1
  -AMZN,53
  +AMZN,54
   AEE,0
   AAL,3
   AEP,1
   AXP,4
  -AIG,5
  +AIG,2
   AMT,1
   AWK,2
   AMP,2
  
positive.code: AZO,0
  AVB,0
  AVY,3
  BHI,4
  BLL,0
  BAC,20
  BK,0
  BCR,2
  BAX,2
  BBT,0
  BDX,1
  BBBY,1
  BRK.B,0
  ,
  ,
negative.code: APH,4
  APC,2
  ADI,0
  ANTM,6
  AON,0
  APA,3
  AIV,0
  AAPL,31
  AMAT,2
  ADM,0
  ARNC,9
  