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Starting in late January 2023, I will be back in the classroom, teaching valuation and corporate finance to the MBAs and valuation to the undergraduates, and these classes will continue through May 2023.
equity market. And yet, few scholars have examined how exactly the Big Three, and institutional investment managers more broadly, exhibit growth in equity ownership. Other corporate distributions that have a similar effect on ownership are cash financed acquisitions and going private transactions.
The portfolio return variance is calculated by multiplying the squared weight of each asset by its variance and adding two times the weight of each asset multiplied by the covariance of the asset pair. The covariance of the assets is sqrt(0.3)*sqrt(0.2) The portfolio standard deviation is the square root of the portfolio variance.
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Covariance 
99 
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