What is the primary function of the Moving Average Convergence Divergence (MACD) indicator?

How is the MACD line calculated?

What does a positive MACD value indicate?

What is the purpose of the signal line in the MACD indicator?

What are the three components of Bollinger Bands (BB)?

How are Bollinger Bands used to identify trading opportunities?

In which type of market do Bollinger Bands work best?

What is the recommended approach to using technical indicators in trading?