BatchGetSymbols         Function to download financial data
GetFTSE100Stocks        Function to download the current components of
                        the FTSE100 index from Wikipedia
GetIbovStocks           Function to download the current components of
                        the Ibovespa index from Bovespa website
GetSP500Stocks          Function to download the current components of
                        the SP500 index from Wikipedia
calc.ret                Function to calculate returns from a price and
                        ticker vector
df.fill.na              Replaces NA values in dataframe for closest
                        price
fix.ticker.name         Fix name of ticker
get.clean.data          Get clean data from yahoo/google
myGetSymbols            An improved version of function 'getSymbols'
                        from quantmod
reshape.wide            Transforms a dataframe in the long format to a
                        list of dataframes in the wide format
