This is where batched rendering really comes in handy. For example:

https://gist.github.com/STRML/cc368c46c2d7de8679196e69ddbcae...

The key is, even in your case (with price alerts), you'll still want to tick occasionally, thus the `FORCE_TICK_INTERVAL`.

React's own batching is smart enough to merge the work. For example, before the next tick, one component calls setState() 20 times, another calls it once. Only one rerender will actually be done.

Some more discussion on rAF batching here: https://github.com/petehunt/react-raf-batching/issues/8