There was no liquidity, no one taking the other side of sell orders, and the Dow plunged to being down 1000 points in 20 minutes before someone realized what was going on and pulled the plug.

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On the positive side, German manufacturing orders increased more than expected, at up 3.9% in October.

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On the positive side, durable goods orders and the Dallas Fed Manufacturing Survey were both considerably better than expected.

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Brut, for example, borrowed a practice from the fixed-income side by paying traders to supply limit orders--a commitment to buy a stock at a specific price--to draw sellers to the exchange.

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All three are at bullish extremes, near levels coinciding with last January's meltdown, and the odd lot purchase percentage is at its highest level since 2000-2001--with 55% of odd lot orders coming in on the buy side.

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On the flip side, their North American and their Emerging Markets orders were up 13% and 9% respectively.

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Strachan had cut a frustrated figure on the touchline during the opening 15 minutes, frequently barking orders to his team, but his side gradually took control of the half.

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In a series of four orders Tuesday night, the judge painstakingly considered each side's myriad claims that the nine-member jury wrongly considered evidence and misread complex patent law.

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Pragma, an independent trading boutique which develops trading algorithms and provides consulting and guidance for buy-side firms, has developed a quantitative model and supporting smart-routing system for passive limit orders that it says significantly improves all-in performance.

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