• Take-Two, SVB Financial and Nektar Therapeutics to Join S&P; 500

    The companies are replacing Signet Jewelers, Patterson Cos., and Chesapeake Energy, which will move to the S&P; MidCap 400, effective March 19

    Take-Two Interactive Software Inc., SVB Financial Group and Nektar Therapeutics are joining the S&P 500 index, according to S&P Dow Jones Indices.

    The companies will replace Signet Jewelers Ltd., Patterson Cos. and Chesapeake Energy Corp., which will be moving to the S&P MidCap 400.

    Dean Foods Co., which had been in the S&P...

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