I see Gainer & Looser every day in Coinmarketcap. I always try to know, which coin will Suddenly pump? I've read a few article, But I can not understand it easily. Many people say learn Fundamental analysis. If you have knowledge about this topic. Feel free, You can share your skills & knowledge with everyone.
That's is true difficult and hard to predict which coins bring fast pump for day trade,
Day trade need to focus and monitor which coins possible to inrease at that day to earn profits, learn and follow the chart movements but this strategy isn't easy, hope this advise can help for you.