Royal Caribbean Cruises Spikes Higher Following S&P 500 Announcement By: Benzinga via Benzinga December 01, 2014 at 17:47 PM EST S&P Dow Jones Indices announced Monday it will make changes to the S&P 500 and S&P MidCap 400 Monday after the close on ... Read More >> Related Stocks: Bemis Company Royal Caribbean Cruises Ltd Sentinelone Inc Cl A