I would like to understand how to use Stop Loss in my transactions. Any gurus willing to explain?

General
1

I would like to understand how to use Stop Loss in my transactions. Any gurus willing to explain?

2

I DON’T USE STOP LOSS HERE IS THE REASON WHY

http://www.marketwatch.com/story/why-i-stopped-using-stop-loss-orders-2013-05-09