first you need to get knowledge of the past and present of any coin you wants to trade. Keep an eye on the market as well as other coins. Whales will do the rest of the things 
It is a must to gain knowledge and to educate yourself first before entering a world or a way you would consider to do. And if you want to do trading just like trading or a part of investment to earn with the used of bitcoin or any other form of crypto-currency that could be a opportunity to have profit and earn.