This morning, I sold half of my investment in Alibaba for a 51% capital gain.It has been a long time since I last did any trading and this was a pretty nice one.A 51% gain in less than 2 months was not something I was expecting.However, this is what Mr. Market does.We get surprises, pleasant ones and also nasty ones.It is like opening a box of chocolates, someone said.All we can do is to identify 
