---
layout: example
title: Stock Index Chart Example
permalink: /examples/stock-index-chart/index.html
spec: stock-index-chart
image: /examples/img/stock-index-chart.png
---

This example enables interactive exploration of investment returns based on the time of purchase. As the mouse position changes, the chart updates to show the resulting proportional returns for a set of technology stocks had one invested at that time.

{% include example spec=page.spec %}
