xts objects containing adjusted close prices of the
S&P 500 (SP500; ticker symbol ``^GSPC''),
Dow Jones (DJ; ticker symbol ``^DJI''),
NASDAQ 100 (NASDAQ; ticker symbol ``^NDX''),
FTSE 100 (FTSE; ticker symbol ``^FTSE''),
Swiss Market Index (SMI; ticker symbol ``^SSMI''),
Euro Stoxx 50 (EURSTOXX; ticker symbol ``^STOXX50E''),
Cotation Assistée en Continu (CAC; ticker symbol ``^FCHI''),
Deutscher Aktienindex (DAX; ticker sybmol ``^GDAXI''),
China Securities Index (CSI; ticker sybmol ``000300.SS''),
Hang Seng Index (HSI; ticker symbol ``^HSI''),
Shanghai Stock Exchange Composite Index (SSEC; ticker symbol
``000001.SS'') and the
NIKKEI (NIKKEI; ticker symbol ``^N225'')
from their first date of availablility to 2015-12-31.