"Can the venture exchange force NOt"
Yes they can but they will not do so unless they have a good reason, like our share price going to double without any news out.
Many a time a company has been asked if there is any cause for a drastic change is sp. Often the standard answer is per this example:
<Noront Resources announces no material change 4:47 PM ET, July 15, 2009
TORONTO, Jul 15, 2009 (Canada NewsWire via COMTEX) -- Noront Resources Ltd. ("Noront" or the "Company") (NOT) announced today that there are no corporate developments or undisclosed material changes involving the Corporation to account for its recent rise in stock price. Noront released an Exploration Update on June 29, 2009 http://www.norontresources.com/News/Release/147 outlining the current status on drilling at its Eagle One high-grade nickel, copper, PGM discovery. As discussed in that press release, all outstanding assays on Eagle One are pending and will be released when compiled. >
It was not long after when we found out that there was a great reason.