Robots don't have to take over the world when they've got sharemarkets
 in their clutches already.
 
 Unlike a mere mortal trading, there isn't even a broker between
 machine and, well, machine. All that stands between them is a fee the
 Australian Stock Exchange collects.
 
 Self-automated algorithms can generate 150 trades in the blink of an
 eye and, unlike ordinary investors or even the big funds, have been
 given the ultimate privilege of plugging straight into the ASX's
 computer. They're the ultimate inside traders.
 
 Since the one-minute massacre of QBE Insurance more than two years ago
 by a rogue robotic trading program, all that has changed is that now
 it would take a mere millisecond. And it wouldn't stop at one stock.
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 The share price was savaged from $15.70 to less than a cent before
 anybody could do anything.
 
 An even scarier incident recently on Wall Street, where price swings
 have become increasingly wilder, showed what th...