1. On Dec 31, 2018, the shares of Google, IBM, and Apple closed at $1,045, $114, and $158 respectively. The closing prices of the three stocks on Jan 15, 2019 were $1,086, $122, and $153, respectively. None of the three companies paid dividends during this period. The market values of the three companies at the end of 2018 were $755, $110, and $734 billion dollars. Calculate the return of a value-weighted index consisting of these three stocks during this period.