Rumored reason for the stock market plunge of 5/6/10, whose effect is seen in this puzzle's theme answers

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Similar Crossword Questions:

Term for each of the 15 asterisked theme answers in this puzzle
What this puzzle's theme answers start with
Where one might see the sounds embedded in this puzzle's theme answers
What one must have to solve this puzzle's theme answers
Like the theme answers in this puzzle?
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Struck out, as one letter in each of this puzzle's theme answers
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Grate, with "get," or what this puzzle's theme answers get
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Equipment for each of this puzzle's theme answers