The Canadian stock market has been trading on a negative note for the last three weeks in a row. Here's why the sell-off might intensify in November and lead to a big market crash.The Canadian stock market has been trading on a negative note for the last three weeks in a row. Here's why the sell-off might intensify in November and lead to a big market crash. Warning: 3 Reasons Why the Market Could Crash in November - The Motley Fool Canada