### 4. **Common Patterns**
- **Bullish:**
- **Hammer** (reversal at bottom).
- **Bullish Engulfing** (green candle swallows red).
- **Cup and Handle** (U-shape + small dip).
- **Bullish:**
- **Hammer** (reversal at bottom).
- **Bullish Engulfing** (green candle swallows red).
- **Cup and Handle** (U-shape + small dip).