add markers to chart

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#1,384 opened on Sep 15, 2015 1 comment 0 reactions 0 assignees View on GitHub

Description

is there any way we can add markers to the charts like this pic from yahoo finance?

![blob](https://cloud.githubusercontent.com/assets/941075/9891642/3ab0efcc-5bde-11e5-92e7-29a1946256fe.png)

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