Principles of Finance: Stock Valuation and Investment Strategies

This lecture covers stock valuation using the constant dividend growth model, the discounted free cash flow model, and the method of comparables. It also discusses the relationship between risk and return, calculating rates of return, and estimating the value of stocks based on multiples. The instructor explains how to compute the expected return and volatility of investments, the unbiased sample variance, and the portfolio returns based on portfolio weights.