title: How do we plot a red dot (to represent a trade) on a financial candlestick chart?
body: <p>I am plotting a financial candlestick chart using this MATLAB function:</p>
  
  <p><a href="http://www.mathworks.com/help/toolbox/finance/candlefts.html" rel="nofollow noreferrer">http://www.mathworks.com/help/toolbox/finance/candlefts.html</a></p>
  
  <p>How do I plot a red dot on the chart, to represent a trade at that point?</p>