The next algorithmic trading wrinkle

Algorithmic trading keeps pushing the envelope. It has been embraced by all, which means all are searching for better algorithms. The latest: Wall Street firms are watching real-time news as triggers for trading models. The idea is filter news items, such as executive changes and deals, and channel that into trades. Interesting. Some are already experimenting with models of past effects of news events on stock prices.

> Here's a Wall Street & Technology article.