def columns() -> list:
    """Names of the columns that needs to be on the header in the spreadsheet.

    Returns:
        list:
        List of headers for the spreadsheet.
    """
    return [
        "Stock Ticker",
        "Stock Name",
        "Market Capital",
        "Dividend Yield",
        "PE Ratio",
        "PB Ratio",
        "Current Price",
        "Today's High",
        "Today's Low",
        "52W High",
        "52W Low",
        "5Y Dividend Yield",
        "Profit Margin",
        "Industry",
        "Employees",
        "Rating"
    ]