The Dow's inability to finish above 13000 echoes the market's previous stalls at certain levels.

WSJ: Dow Touches 13000 but Can't Hold On

Sure, the writer dutifully cited the number of Bible studies and commitments to Christ among football players at certain levels, as facilitated and tracked by groups such as the Fellowship of Christian Athletes.

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Such a program would cap greenhouse gas emissions at certain levels, and allow more efficient energy producers to sell emissions permits to other, less efficient companies, thereby creating market-wide incentives to reduce carbon output.

CNN: McCain: Clean energy a 'national security issue'

Nasdaq said that for trades to qualify for compensation, they had to be placed at certain price levels, be executed incorrectly or encounter other errors defined by Nasdaq.

WSJ: Nasdaq CEO Offers Facebook Apology

Islamic finance levels a similar criticism at certain forms of speculation.

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Similarly, we were also sure that sentences of the right quality could end this hideous endless war, if only certain standards were adopted at the higher levels.

NEWYORKER: The King of Sentences

Temptation to pile into Apple may be strong, but with the stock so overbought and trading at significant highs, traders and active investors are almost certain to be able to pick up shares of Apple at lower levels, potentially very much lower levels, over the next few days.

FORBES: Apple Stock Surging, Expect Profit-Taking