First, I identify the overall trend. I try to understand which way the market is going to go the next day/week. To do that, I place pairs of locking orders with a gradually increased lot size. Mostly, I manage to make a profit at this preparation stage. Then, it's simple - I trade following the trend in one direction. A trailing stop allows me to make a good profit and avoid losses. Normally, I don't trade when any news is to be announced.
Professional trader. I've been making money in this industry for a few years now