FORTUNE -- What was the significance of those long red vertical lines in Apple's (AAPL) 60-second chart Friday a.m.? Were they computer glitches? Human error (so-called fat finger trades)? Something more sinister? Your guess is as good as mine.
Filed under:...Apple: Four fat fingers before noon Friday. What gives?
With weekly option expirations, trading in Apple tends to get weird at the end of the week
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