Instructions:
Add/change the stock by typing a ticker symbol into the textbox and hitting enter.
Click the screen to pause the movement of the arrows.
Click the screen again to unpause the movement of the arrows.
 

Interpreting the Animation:

My Face
If the stock has changed by less than 1%, I feel pretty neutral.
If the stock has changed by between 1% and 2.5%, I have a mild emotional reaction.
If the stock has changed by between 2.5% and 5%, I have a moderate emotional reaction.
If the stock has changed by more than 5%, I react strongly!
Line Gap Height
The height of a stock's line gap is determined by the ratio:
(Current Price - 52 Week Low) / (52 Week High - 52 Week Low)
If a stock is at or near its 52 Week High, its line gap will fill the screen.
If a stock is at or near its 52 Week Low, its line gap will be very short.
Line Gap Color
A stock's line gap is green if its price has increased today, and red if it has decreased.
The shade of the color has no financial significance.
Line Gap Wiggle
When the height of a stock's line gap exceeds 90% of the height of the screen, the line gap wiggles at
a velocity proportional to its height.
Triangle Height
The height of a stock's triangle is determined by the ratio:
(Today's Change) / (Yesterday's Price)
Triangle Velocity
The velocity of a stock's triangle is determined by the log of a stock's trading volume.
Thus, if Stock A had 100x the volume of Stock B, Stock A's triangle would move at twice the velocity of Stock B's.
Triangle Wiggle
When the Triangle Height exceeds 2, the triangle wiggles at a velocity proportional to its height.

Built with:
Processing
PHProxy
SpringGUI