Participants place markers over randomly called numbers on the cards in an attempt to form a preselected pattern such as a horizontal, vertical, or diagonal line, or all four corners.

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The weekly chart of the Spyder Gold Trust ( GLD) shows that there is the potential to form a bearish engulfing pattern this week.

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The next leg of the trade came in the form of a macro wedge pattern, as seen on the chart.

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This process may take weeks or many months to form, but can be a profitable pattern to play.

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The form of leadership that holds most potential is a twist on the pattern described by Eric Von Hippel in his research on User-driven Innovation.

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The typical seasonal pattern is for gold to top in February and form a significant low during the summer months.

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It's often seen as a form of obsessive-compulsive disorder, but some aspects don't fit the OCD pattern.

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The stock may be forming a cup-with-handle base, the most common pattern that winning stocks form before rallying higher.

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For both modes of crystal fibre, the pattern of holes is generated by stacking hollow glass tubes a millimetre or so in diameter to form a rod several centimetres thick.

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