Metech Intl, a stock I used to trade in 2013 from 0.023 to 0.037 is now only trading @ 0.003. Ever stock has a life cycle and life span and it's important not to hold penny stocks for a long period of time unless one is able to pick growth stocks.
http://stockmarketmindgames.blogspot.sg/2013/09/metech-int-ronald-k-great-plunger-for.html
Ronald K - Market Psychologist - A Stock Market Opportunist