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

Question:

Length:

Similar Crossword Questions:

Weather Channel feature (it's the puzzle theme found in a quintet of answers)
Title of a crossword with theme answers like OVERHAND KNOT, BUTTERFLY EFFECT, and CRAWL SPACE
Classic breakup line, and a hint to the formation of this puzzle's theme answers
Rebelliously, perhaps (and a hint to this puzzle's four theme answers)
Easy, and what this puzzle's theme answers literally are
Supplements added to each of this puzzle's theme answers
They swing up and down in this puzzle's theme answers
"Home work" letters that appear at both ends of this puzzle's theme answers
Second letters of this puzzle's five theme answers (seen in order)
Wise guys featured in this puzzle's theme answers
Environmental slogan, or a hint to this puzzle's theme answers
Shade from the sun that's inserted in this puzzle's theme answers
Rhyme runaway, and how this puzzle's theme answers are formed?
Records "broken" in this puzzle's nine theme answers
What one gets by multiplying the numbers in this puzzle's theme answers
The pairs of letters inserted into each of this puzzle's theme answers, for example
Out of whack, or what's featured in each of this puzzle's theme answers
1997 Kevin Kline film, and a hint to the puzzle theme hidden in four answers
Each of the titles in this puzzle's theme answers, e.g.
Element of surprise in this puzzle's theme answers
New element in each of this puzzle's theme answers
Choice words swapped in this puzzle's theme answers
Reservoir, and hint to puzzle theme found in seven long answers
What this puzzle's theme answers start with
What each completed pair of theme answers in this puzzle is