Could you please elaborate on how to effectively utilize the Average True Range (ATR) indicator for day trading purposes? As a day trader, understanding how to leverage this tool to assess
market volatility and potentially identify profitable trading opportunities is crucial. Could you provide a step-by-step guide on how to interpret ATR values, determine appropriate trade sizes, and factor in ATR into your trading decisions? Additionally, are there any common pitfalls or misconceptions traders should be aware of when employing ATR in their day trading strategies?