Short Term SP Catalyst, page-63

The only reason you sell is to de-risk your holdings, or you think the sp will go lower, that gap at 10c looking very likely as a target now (chartists say all gaps get filled). There have been several days of building a wall to prevent a collapse below 20c, this has now been breached.

The ultimate reason is 'preservation of capital' - money is easy to make, it's much harder to hold on to especially if you live your life an optimist because sometimes thing don't go to plan. A more pragmatic view is take a profit when it's on offer, don't wait thinking you will be rich if................