You need to look closer to the "market conditions" clause.
For the month of June the global market situation became much worse. Literally we are going through the second strike since the last August mortgage crisis. The impact of the first strike to the economy now spread to all sectors.
Coal lost 10% of the price, take a look at lead, zinc and others with copper and presious exclusion.
Take a look at steel, coal mining and automotive shares. Take a look at GM results and 15% share price (to 1954 level) drop.
All of the above is THE sign of the large impact to the main US and global economy. The real production tumbles. The consumption - check the market - is falling down. The tracker's business is depressed since the beginning of winter.
In addition to this, the credit crisis is still with us + huge inflation which most of people are not aware, but check your grocery bill.
There is no money for exploration in general.
Long story short, the NOT SP is following the TSX index and TSX index is indicating the problems of Canadian and global economy. Shares are being sold because NOT is quite popular and it is possible to take money out before this whole freakin market will realize where are all thing going.