Resources on investment analysis and portfolio building

Hello, I am looking for resources. I want some real world examples of investment analysis. If you have any links pls share. I want to look at someone's work; how they went about evaluating an investment, examples of how portfolios were put together, examples of sensitivity analysis, Monte Carlos, anything. I want to create my own portfolio. I have a good math background and am reading a finance textbook. The textbook is great and I am learning, but I would like some hands on learning. In tryi

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