==========
References
==========

    * `Scraping S&P500 symbols <https://medium.com/python-data/how-to-scrape-information-of-s-p-500-listed-companies-with-python-8205f895ee7a/>`_
    * `rst and sphinx cheat sheet <http://openalea.gforge.inria.fr/doc/openalea/doc/_build/html/source/sphinx/rest_syntax.html#id3/>`_
    * `Sphinx setup <http://www.patricksoftwareblog.com/python-documentation-using-sphinx/>`_
    * `reStructuredText Markup Specification <http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html/>`_