In between investing (making money properly, slowly) and trading the 15 minute charts on spot fx which is what I do today, I did pretend I was a day trader on US stocks. I had the business channels on and providing I was already 'interested' in a stock or sector, depending on what news was being released or discussed I would tend to let it support or caution the intended purchase or sale. But I was never swayed into taking action on a stock/sector I wasn't already interested in by the talking heads. In all the time I used this as a confirmation/dis-confirmation I never did any better or worse than when I traded without it. The 'experts' know what they know which may or may not be right and regardless of that, those that do trade the stocks they're talking about probably know already or a lot better or have in some way massaged the datafeeds these heads (or stooges by this stage) get to precisely achieve the effect they want for the positions they want to place or have already placed.
I did a similar thing with twitter when I started trading forex. I followed the good and the great of the econo-world and the trading world and the fx world especially. And the same thing applies. When I allowed it to confirm/dis-confirm a position I was already pretty much interested in, I didn't do better overall than when I traded without the dripfeed from the twitterverse.
Even if I knew with 100% certainty what the data was going to be on the news on a specific sector or stock or economy or currency I have no chance of knowing if that has been factored in at all/partially/totally/overshoot. And not knowing that, I can't determine ahead of time what impact, if any, that will have on the various players and what that would do to the price.
In the final analysis I decided it was all extraneous to my needs, but that may well be an error on my part in that I have not yet learned how to utilise those data effectively. Pat494 if you have any pointers on that it would be most gratefully received.