If your stoploss never hit , then you must be one of following two 1. You have a Holly Grail Trading System 2. You Never traded in stock market. If you want to be a trader and don't have Holly Grail system ( which doesn't exist), Then consider stoploss as part of business.

Japan index today is lower than that of 1989. UK index lower than 2000. China index lower than 2008. Dow gave zero return between 1965 and 1985. Markets work in cycles. Some times cycles can last few decades.

5 #books about hedge funds:

1) Hedge Fund Market Wizards (Schwager) 2) More Money Than God (Mallaby) 3) The Little Book of Hedge Funds (Scaramucci) 4) Inside the House of Money (Drobny) 5) Hedgehogging (Biggs)