anchor.diff:  TMK,2
   TSS,1
   TSCO,0
  -TDG,2
  +TDG,1
   RIG,1
   TRIP,1
   FOXA,8
   FOX,2
   TSN,3
   UDR,2
  -ULTA,1
  +ULTA,2
   USB,4
   UA,1
   UAA,3
   UNP,3
   UAL,3
  -UNH,0
  +UNH,2
   UPS,0
   URI,9
   UTX,0
  
positive.code: PXD,0
  PNC,0
  RL,0
  PPG,4
  PPL,3
  PX,3
  PCLN,7
  
negative.code: CAH,3
  CBOE,0
  KMX,1
  CCL,4
  CAT,0
  CBG,5
  CBS,0
  CELG,9
  CNC,1
  CNP,1
  CTL,0
  