However, there are some things in life more important than money and I often think about them on the weekends when the market is closed.

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If a group of like-minded people develop and enforce their own rules, they are likely to believe in them, which means they will keep them in mind even when the door is closed.

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The harbour's sluices ran until 1971 when the decline in port trade led to them being closed for the last time.

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Furthermore, I assumed the trader held the options for the entire two weeks, and closed them out at intrinsic value when they expired.

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The Minotaur closed his eyes again, and when he opened them he was alone.

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"There was a time when people were ready to retire and couldn't sell their stores, so they closed them, " Teicher says.

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He said that when the bombs went off, the university gates were closed, and campus security would not open them.

CNN: January 17, 2013 -- Updated 2129 GMT (0529 HKT)