Taylor has a portfolio consisting of 100 shares of Koch, 600 shares of Apple, and 300 shares of Walmart. The current market prices for these 3 stocks are $276/share, $21/share, and $101/share respectively; the returns over the past year for these stocks were 86%, -20%, and -23% respectively; and the Beta's for each is 1.17, 1.51, and 1.10 respectively.

What are the portfolio weightings for each stock?

What was my portfolio return over the past year?