The official launch of the S&P 500 real estate sector – the first subdivision to be added since 1999 – was off to a good start on Monday, rising 0.75%. The sector, which is made up of 28 components, was led higher by a 1.8% gain in Equinix (NASDAQ:EQIX). Real estate also outperformed financials, the sector it was once part of, which ended up 0.71%.