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.
You can never know which coins will be pumped unless you are the one who pumps it. People who pump a coin actually put a lot of money and organization and effort on doing that and taking a big risk for themselves considering they may even fail on pumping a coin.
Now, when they are putting that much risk and effort and their own money into something like that why would you assume they would share that for free without getting anything in return. They either charge you money to involve you and you still can't trust them fully or they just tell you to buy and sell at wrong times so they can make money while you would hold a bag full of some worthless coin at the top prices. That is why you can never really know which coins will suddenly pump without trying to be part of it directly otherwise you will lose.