I cannot be considered a newbie in the stock market, having dabbled in stocks since my university days.  (Wait till you hear about how I shorted SIA immediately post 911, and how I got 'killed' by my broker.  But that's another story.) Today, SGX changed the round lot from 1,000 shares to 100 shares.  (If you haven't heard the news, where on earth were you?) And I finally said goodbye to my ultra mini 400-share holding of OSIM. Hold on.  How did I end up with FOUR HUNDRED shares of this health and wellness company?  It all started a decade ago.  Being thrifty, I had managed to accumulate a small pool of pocket money to start trading stocks for cheap thrill.  CFDs were little known then.  I had to do one lot (1,000 shares) buy-sell at that time. On my adventure, I had a series of short-term affairs ......