RE:RE:RE:RE:RE:RE:INVITATION FOR ADVICE fdfd12- you are correct about volume, Canadian buy on Toronto stock exchange not American.
The share listed in both exchange like CNR CP VRX AEM G TCK,B FM .These are canadian companies but majority of the shares are sold on american side.So usually canadian follow american market and price of a share.
The day american or canadian markets are closed, bank update the books according to the opened market price of stock,if it is listed on both exchange.