Incyte, CBOE Holdings, Regency Centers to join S&P 500

• Incyte (NASDAQ:INCY) +4.1% AH as the stock, along with CBOE Holdings (NASDAQ:CBOE) and Regency Centers (NYSE:REG), will join the S&P 500.
• INCY will replace Spectra Energy effective at the open of trading on Feb. 28, while CBOE will replace Pitney Bowes (NYSE:PBI) on March 1 and REG will replace Endo International (NASDAQ:ENDP) effective March 2.
• PBI and ENDP will drop to the S&P MidCap 400; Nu Skin (NYSE:NUS), Dillard's (NYSE:DDS) and CyrusOne (NASDAQ:CONE) also will join the index, replacing Equity One (NYSE:EQY), Intersil (NASDAQ:ISIL) and CLARCOR (NYSE:CLC).