def __init__(self): SymbolDownloader.__init__(self, "Future")
def __init__(self): SymbolDownloader.__init__(self, "Currency")
def __init__(self): SymbolDownloader.__init__(self, "Stock")
def getRowHeader(self): return SymbolDownloader.getRowHeader(self) + ["categoryName", "categoryNr"]
def __init__(self): SymbolDownloader.__init__(self, "ETF")
def __init__(self): SymbolDownloader.__init__(self, "Index")
def __init__(self): SymbolDownloader.__init__(self, "MutualFund")