You may to predict upcoming pump or dump but the results maybe will disappoint you because predict the market movement is hard task even most of us at here rare to see people which have correct predictions almost 100% but you can earn money from buy at red market and sell at green
This is general thumb rule on trading factors. If you want to involved in trading field i would like to go with the buying phase whenever the bearish market falling and bumping in the market all the time.
When you looking to invest on the ico projects that time you may go with the pre sale time and make money out of it buddy.