“Indexing Artificially Boosts a Stock’s Price: Study”
It’s often noted that a company’s stock gets a bump in value when the company is voted into the Standard & Poor's 500 index, because index fund managers have to buy it. And if a company gets booted out, the same managers must sell.
Financial-Planning.com, "“Indexing Artificially Boosts a Stock’s Price: Study”" (2011). In the News. 638.