Finally managed to part with Chip Eng Seng (CES).  It was a stock that had made money for me throughout the past few years.  However, due to an overconfident streak I had last year, I had impulsively over-invested in this stock.  Now, it takes up such a huge portion of my portfolio that any slight movement in the stock, be it up or down, causes me great unease and  streams of thoughts have been plaguing my mind ever since it released its latest results.  I have overestimated my so called analytic capability and underestimated the complexities and risks that comes with property development companies due to a big one-time gain off Roxy Pacific that had propelled my portfolio in my earlier years of investing.  ( I shall reserve that story for another blog post.)  So acting on that bias, I had shoved a big chunk into CES hoping ...