The whole question is pointless. I don't have to predict a dividend increase in order to get the increase. And if they don't increase the dividend the stock is still greatly undervalued. Of course if they don't increase it you'll probably throw a fit and sell your shares while trashing the stock.
If I sell my shares, it will be because I made money, and don't want to lose it. Last year had 45k in gains on XIN, and have 10k in unrealize gains right now. When you have 30k shares and make money, you get more nervous. This year I start the year off with 18k shares, but will still get nervous when the gains get over 20k again. I have a sell order on 15k of my shares at $6.83 and hope they can at least touch there long enough to sell.