1. Strong uptrend channel, moving from the low area of the channel up. - buy area indicator.
2. SlowStoch buy signal, crossed up from the oversold area + fast line crossing up the slow line - a buy signal.
3. RSI pullback (when moving under 50 and then going up) - a buy signal.
4. MACD is changing the direction of the short trend and going for a buy signal soon.
Note: I noticed that if you wait until the obvious buy signal in MACD when looking at fast and volatile stocks, you will miss most of the gains. In fast-moving stocks, when looking at the MACD, I think you should look for a clue that there is going to be a buy signal and rely upon other indicators to get in.