A couple of blog posts on selling winning investments.

Reader:

"Hi AK,

just curious about your strategy on handling rises in a share price. E.g if you had bought StarHub/ sph/ accordia etc for income, at what level would you consider it worthwhile to sell? Thanks!"

Assi AK

You might want to read this: http://singaporeanstocksinvestor.blogspot.sg/2013/08/when-to-buy-hold-or-sell-part-1.html

When to BUY, HOLD or SELL? (Part 1) | A Singaporean Stocks Investor (ASSI)

Assi AK

and this: http://singaporeanstocksinvestor.blogspot.sg/2015/05/should-i-sell-my-investment-to-lock-in.html

Should I sell my investment to lock in gains? A perspective. | A Singaporean Stocks Investor (ASSI)

"If we are investing for income, if the investment is still doing the job we expect it to do, generating attractive income for us, then, there is really no reason to sell unless we feel that there is another investment out there that can do a better job." - AK