The index inclusion effect on Tesla

tesla was included in the S&P 500 Index in December last year. The share showed an astronomical return up to and including the day before its inclusion, which came into effect on 21 December. Since then the share has increased in value by a further 9%. It has therefore increased in value almost sevenfold since the beginning of last year.

Since being included in the S&P 500 in December last year, the share has