Therer are lot of pump & dump group that you can follow and some crypto gurus who share their predictions but none of them will give you assurance to gain profit because they are  just trying their luck and you're betting with it. The pump of a coin will rely on the project owners itself sicne they are the one who will drive demand for their own coin so you must study each coin that you think has potential to grow and get updates as much as possible if you don't want to miss the chance when the coin price increased.