On the other hand, if Intel stock experienced the same 20% move to $34.56, it would translate to a price-weighted average of $60.14, or a move of just 3.3%. So Apple's 20% move has more than three ...

Calculate stock weights by dividing each stock's value by total portfolio value and multiply by 100. Stock weight impacts portfolio's performance, affecting its volatility and gains. Adjust stock ...

(1) The Behrens-Fisher and Welch solutions of the two-means problem are compared, and the former shown to be lacking in sensitivity. (2) Yates's and the author's tests for a weighted means are ...