I have a small, speculative strategy affectionately called the "minion strategy", which involves throwing a small amount of money into certain depressed stocks that have the potential for a turnaround. The money is mentally written off the moment it is invested. The strategy is described in more details in Meet The Minions. Since the money will be written off anyway, if the stock has a warrant, I would choose the warrant over the mother share, as warrants are cheaper and rise (or fall) proportionally more than the mother shares.

One of the recently added minions is Ezion warrant. As luck would have it, on the day I bought the warrant, Ezion called for a trading halt (later changed to a suspension). I literally had to write off the amount the moment it was invested. Later announcements by the company mentioned that it was in discussion with lenders to secure ...