Continue Reading Below
The move, effective at the close of trade on July 5, adds one of the worlds biggest standalone consulting companies to the index.
Shares of companies joining a major index such as Standard & Poors tend to rise as index-tracking funds start buying its stock. Accenture saw its shares climb 4.6% after hours Monday on the news.
Bank of Montreal (BMO) agreed in December to buy Marshall & Ilsley in a stock-for-stock deal valued at $4.1 billion.
Northwest Bancshares (NWBI) will replace Amerigroup on the S&P Smallcap 600 on the same date.