Image source: Getty Images. BlackBerry(TSX:BB)(NYSE:BB) stock is riding the bull, running at the speed of 30% per day. The stock almost tripled from $8.40 at the start of the year to its 10-year high of $22.92 on Monday. This rally has raised many eyebrows, even of BlackBerry executives. I will answer the two most pressing questions: What is driving BlackBerry stock’s rally? How do you make money from this rally? What is driving BlackBerry stock’s rally? Now, if you are thinking I will give you some fundamental explanation, there isn’t any. Even BlackBerry commented something similar on last week’s trading activity. It stated, “The company is not aware of any material, undisclosed corporate developments and has no material change in its business or affairs that has not been publicly disclosed that would account for the recent increase in the market price or trading volume of its common shares.”