7
The dump on Friday with oil companies was related to transfer of shares in anticipation of 7 oil companies being added to the TSX index.
https://money.tmx.com/en/quote/BTE/news/8895011425016353/SP_Dow_Jones_Indices_Announces_Changes_to_the_SPTSX_Composite_Index
10 oil companies were on the volume actives on the TMX on Friday as follows:
Company Shares Traded (Millions)
BTE 33
TVE 20.1
TRP 17.4
SU 14,3
SES 12.5
AAV 10.4
ENB 9.9
PEY 9.6
CPG 8.8
CNQ 8.5