Let's see the LakeBTC's graceful charts, during this period when drop $2 per rise $1 
How do you keep the profit? If cant, how do you stop loss? please share your strategy with me, thanks!
http://i.imgur.com/ZkMo9ZC.png
How do you keep the profit? If cant, how do you stop loss? please share your strategy with me, thanks!
http://i.imgur.com/ZkMo9ZC.png
You can have a pretty good idea which currency pair is going to move that day based on popular media.
Then if you trade the same amount on each side of the currency pair you can wait to see which one is moving the most and stop-out on the other.
The down side is you have to be near your computer most of the day.