alt Hacker NewsI'm out of the loop, but I thought there were sophisticated automated trading algorithms where people pay to install microwave antennas so they can have 1ms lower latency. And I thought those systems are hooked up to run sentiment analysis on the news. Maybe the news is late?
That is generally only applicable to extremely momentary arbitrage opportunities. There's still a lot of automation though, but it's pretty boring. It's basically look at the news and make a recommendation to a fund manager or something, and various competing vendors of such, down to consumer products like that.