API: http://doc.astro-wise.org/matplotlib.finance.html 예제: http://matplotlib.org/examples/pylab_examples/finance_demo.html http://stackoverflow.com/questions/9673988/intraday-candlestick-charts-using-matplotlib
http://sentdex.com/sentiment-analysisbig-data-and-python-tutorials-algorithmic-trading/python-matplotlib-sample-code-charting-stocks-python/
