This example shows monthly stock prices for Microsoft, Amazon, and IBM from 2000 to 2010, displayed as small multiple area charts. The visualization initially draws simple line paths, then animates a transition into horizon charts, where each series is stacked vertically with an offset baseline. The code uses D3 v3 with SVG rendering, employing `d3.svg.line` and `d3.svg.area` generators, `d3.nest` to group data by symbol, and `d3.time.scale` for the date axis. Data comes from a CSV file with a `symbol,date,price` structure.