On binance you need a lot of money to manipulate it alone. But they are certainly some pump & dump groups that buy togheter, but be carefull if you are not in the top of them you will just lose money by buying to late, they are like standard ponzi scheme. Just stick to TA and some specialists like haejin and you will be fine. If you want to compare with fiat markets, crypto are really healthy about manipulations, maybe BTC will become vulnerable, but majority of alts are safe imo. And you can also buy and sell at the right time without even knowing about manipulation, the people who does that try to hide themselves, so some chart conditions have to be met, like some bullish patterns, then bearish pattern. Just stick to good TA and do not worry about that, that's what I do anyway.