Citadel Securities Trading Chief Sees Tesla Creating Risk in S&P

  • Companies to face selling pressure as carmaker joins index
  • Change puts less-liquid shares at risk of price dislocations
Photographer: Chris Ratcliffe/Bloomberg
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Tesla Inc.’s historic entry into the S&P 500 could be bad news for shareholders of some other stocks in the index -- at least temporarily.

Funds that mimic the benchmark are set to buy more than $70 billion of the carmaker’s shares and dump an equal amount of stock in existing members, producing intense selling pressure that could lead to dislocations, warned Greg Sutton, head of portfolio trading at Citadel Securities, one of the most active traders of U.S. stocks.