FORTUNE -- Hey, Apple's (AAPL) down, let's pile on!
That seems to be the attitude -- if a computer can have an attitude -- of the program that filters headlines on Google's (GOOG) financial news feed.
The list at right (expanded below) was generated by doing a Google Finance search for "Apple" at 8 a.m. Monday morning. You have to scroll down 24 headlines to get to a positive one ("Apple Inc. sales of $54 billion and profit of $13 billion both break records") which turns out to be Apple's own press release.
Given that many high-frequency trading algorithms are programmed to react to such headlines -- generated by the likes of Insider Monkey and ValueWalk, but not, curiously, Fortune.com -- these things matter.
Expanded list below.
SMEweb - 1 hour ago
Insider Monkey - Jan 25, 2013
Dividend.com - Jan 25, 2013
Schaeffers Research - Jan 24, 2013
Reuters Key Development - Jan 23, 2013
San Francisco Business Times - Jan 23, 2013
A snapshot of high-frequency trading algorithms in action on Friday
FORTUNE -- What happened to Apple (AAPL) in the last minute of trading Friday?
Tyler Durden, who tweets as @zerohedge, offers the Nanex chart above as evidence that it was a premeditated flash dump executed by one or more high-frequency trading algorithms. How else could 800,000 shares worth nearly $300 million be sold in 17-second intervals?
If retail investors are moving back into mutual MOREPhilip Elmer-DeWitt - Jan 27, 2013 11:24 AM ET
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