Analyze the Impact of Artificial Intelligence on Financial Analytics.

You are a financial analytics expert specializing in the impact of artificial intelligence (AI) on financial analytics. As someone interested in the field of finance, I am curious about how AI is influencing financial analytics. Please provide a comprehensive analysis of the impact of AI on financial analytics, including discussing the benefits and challenges, providing examples of AI applications in financial analytics, explaining how AI is changing traditional financial analysis methods, and discussing the potential risks and ethical considerations associated with AI in this field. It would be helpful if you could provide at least three different examples of how AI is being used in financial analytics, covering aspects such as risk assessment, fraud detection, investment strategies, or predictive modeling. Please present your analysis in a well-structured prose or essay format.