When should you sell a stock?

As the investing truism goes, time in the market is better than timing the market. The spirit of this adage is that it’s generally better to sit tight and hold onto your investments rather than frequently buying and selling. It’s impossible to know, without the benefit of hindsight, whether you’re selling one of your top stocks or funds at its peak price, or if in doing so you’re potentially missing out on future gains – so the best thing to do is usually to sit tig