The spot market was, and is, relatively thin, and with spot material in relatively short supply, buyers had to bid up price to quite high levels to establish positions.

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This boosts the resolution tenfold, enough to spot plaque with thin fibrous caps that may be more unstable.

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Glocer notes on his blog that machines have increasingly replaced humans in high-velocity, thin-spread markets such as spot FX, cash equities and U.S. Treasuries.

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Jared, that chubby guy who got thin eating Subway sandwiches, was a one-time television spot that resonated with consumers and transformed the burger-battling Subway franchise into a much-desired lunch spot.

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