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Here are my observations for the page http://whomovedmystock.com/GOOG

1. it looks pretty

2. when I move the bar at the bottom of the chart, the applet keeps reloading. This is annoying. Is it intentional or a bug?

3. the bit at the top left where it shows a pie chart of Google's "Market index allocation" -- how is this calculated?

4. On the chart, it's not obvious to me what the blue line "market index" means

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> 1. it looks pretty

No, it doesn't. It looks flashy.

The UI appears to have been inspired by the Bratz website or similar. Playful tone is just plain inappropriate given the subject matter and it will drive people away. This is the most evident problem with the project at the moment.

Only when you zoom in or out the new events are either loaded or filtered out. When you just move the bar it should not reload. If it does it is a bug.

Market index is the best weighted average of the market/sectors/industries that matches daily price movement of the stock that we can find.

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