Mistake of sell profitable stock too early

I sold China Minzhong at 0.85 with about 40% profit (entry price 0.585) on 05.12.2012, but as of today (23.01.2013) the price went up to 1.03 (76% profit). Based on the trend the price may go up further and there are no fundamental reasons to sell this counter at this moment.

To correct my mistake and moving forward I would like to make below correction for my future trades:

1)      To invest with focus for profitable counters (at least SGD3,000 and above).

2)      Always set cut loss point to 10% if pick a wrong counter to protect investable capital.

3)      To let the profit run unless there are fundamental reasons or TA indication to sell it.