Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

What are the common moving averages used in a “Golden Cross” stock evaluation?
Technical analysis is insufficient. You're halfway to figuring it out if you start to question why a 50 day moving average vs 200 vs 173. Invest in companies that are attractively valued vs. their sales/growth/divends/anythingelsereal