Quintiles IMS Holdings Inc.  (Q) , a healthcare company based in Durham, N.C., will be added to the S&P 500 prior the the market's open on Tuesday, August 29. It will replace Whole Foods Market (WFM) , which was acquired this week by Amazon (AMZN - Get Report) .

In addition, SBA Communications Corp.  (SBAC - Get Report) , a technology company based in Boca Raton, Florida, will be added to the S&P 500 before the open on Friday, Sept. 1. It will replace E.I. du Pont de Nemours (DD - Get Report) . That company is being acquired by Dow Chemical (DOW) .

Dow Chemical is a holding in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio. Want to be alerted before Cramer buys or sells DOW? Learn more now.

Quintiles IMS Holdings closed at $95.11 on Thursday, up 1%. SBA Communications closed at $148.08, up 1.3%.

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This article was written by a staff member of TheStreet.