Why did stocks drop on Friday?

Related questions

1. What is the difference between Dow Jones and Nasdaq?
2. How many stocks are on Nasdaq?
3. Who owns Nathan's hot dogs?
4. Who is the owner of Pandora jewelry?
5. How many companies are listed on Nasdaq?
6. What is the difference between the Dow and the S&P 500?
7. What is the S&amp P 500?
8. How many companies are in Nasdaq?
9. What does OMX mean?
10. Why did Bear Stearns fail?

Tags

1. #tumbled
2. #since
3. #sparked
4. #thanks
5. #treasury
6. #stocks
7. #global
8. #percent
9. #weekend
10. #forecast
11. #investor
12. #growth
13. #pullback
14. #federal
15. #cautious
16. #economic
17. #friday
18. #biggest
19. #sharp
20. #yields
21. #reserve
22. #angst
23. #decline
24. #fears