[tutufan]

Breitbart and The Nation both have a rather dramatic skew. But, since it's obvious and generally consistent, it's relatively easy to "null out". This leaves you with additional signals that are still relatively uncorrelated with (say) the NYT signal. This can provide additional information, and sometimes it leads by several days or even weeks, which is interesting.

(If I had a source of future stock price deltas that was almost always "wrong", I could be a very rich man.)

That said, I've personally come to the realization that my marginal hour spent reading daily news is generally better spent reading ancient philosophy. News is certainly addictive, but I'd be hard pressed to come up with examples where it's improved my life.

[pas]

> If I had a source of future stock price deltas that was almost always "wrong", I could be a very rich man.

Indeed.

> better spent ...

Again, agreed.