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Originally posted by StarsInDust
reply to post by jude11
The markets are very much tied to news reports. Especially day traders, which can buy a whole lot of shares in one stock because of positive news, depending on how many shares they buy, they can make a small fortune if the stock just goes up a few cents. They will then sell it before the price comes down, and this can only take a few minutes time.
As you have witnessed from this one incidence, the injury of the countries leader, can be devastating.
Originally posted by jude11
It's almost as if Wall Street in its entirety is tied to the House of Obama. hmmmm???
reply to post by StarsInDust
The markets are very much tied to news reports.
Originally posted by Wrabbit2000
I got a very VERY interesting explanation to what happened here when I'd next run into one of the economics instructors at the college. This was a situation of No Humans Involved, all the way around....for the most part. Computers literally reacted to computers.
I had no idea it worked like this but I absolutely hope it doesn't now. Trading/Broker computers have been set with sophisticated algorithms to scan specific sources for keywords and phrases. The number, weighted value and frequency or number appearing together, dictate action for buying or selling within the range programmed.
So... When some jackwagon sent that tweet, what the automated scanners read was "White House" "Explosions" "Obama" "Hurt". The computers didn't KNOW what it meant. We aren't that far yet, but look at how that forms for a keyword set in a basic scale of scoring words, then positive or negative assigned atop it.
It was literally comps reacting to comps because someone started a hacked computer tweet....and it went across one of the most monitored feeds in the world.edit on 1-5-2013 by Wrabbit2000 because: (no reason given)
Originally posted by Wrabbit2000
I got a very VERY interesting explanation to what happened here when I'd next run into one of the economics instructors at the college. This was a situation of No Humans Involved, all the way around....for the most part. Computers literally reacted to computers.
I had no idea it worked like this but I absolutely hope it doesn't now. Trading/Broker computers have been set with sophisticated algorithms to scan specific sources for keywords and phrases. The number, weighted value and frequency or number appearing together, dictate action for buying or selling within the range programmed.
So... When some jackwagon sent that tweet, what the automated scanners read was "White House" "Explosions" "Obama" "Hurt". The computers didn't KNOW what it meant. We aren't that far yet, but look at how that forms for a keyword set in a basic scale of scoring words, then positive or negative assigned atop it.
It was literally comps reacting to comps because someone started a hacked computer tweet....and it went across one of the most monitored feeds in the world.edit on 1-5-2013 by Wrabbit2000 because: (no reason given)
So it is entirely possible for one hacker to bring it all down is what I'm reading here. Nice way to make a few million in minutes I'd say.
Originally posted by SonOfTheLawOfOne
There are automatic trading systems set up to buy and sell on certain "events" or "news" collected from several different sources. There is a "learning" program (a neural network bot) that is constantly refined to pick up on specific things that are considered important to trading. Once one of these events is triggered, it immediately buys or sells or both, and all of the other smaller systems that are tied to the bigger systems cascade, like a domino effect, and that's how you drop hundreds of points in minutes.