http://itindex.net/detail/22-%E8%82%A1%E7%A5%A8-api
http://www.cnblogs.com/jiekoupt/p/5063324.html
https://www.juhe.cn/docs/api/id/21
http://kie0723.blogspot.tw/2010/11/google-stock-api.html
https://www.lightblue.asia/realtime-tw-stockprice-in-google-spreadsheet/
https://sites.google.com/site/kentyeh2000/zheng-jiao-suo-ji-shi-zi-xun-jie-xi
http://mis.twse.com.tw/stock/group.jsp?ex=tse&ind=TIDX
https://jerrynest.io/python-yahoo-finance-api-historical-stock-price/