Looking at daily and intraday moves over a long period, 2008 has had some of the biggest daily moves, only second to the 1930′s. On a point basis, it has been significant. But from a historical perspective, the recent action does not make a big showing in the Top 25 on a percentage basis.
First is a look at the biggest net point gains and percent moves on an intraday basis:
Next, the best and worst daily net point gains. Notice that there are several during 2011.
Finally, the best and worst days on a percentage basis. The 1930′s takes the award.
Source: The Disciplined Investor
Please use the comments to demonstrate your own ignorance, unfamiliarity with empirical data and lack of respect for scientific knowledge. Be sure to create straw men and argue against things I have neither said nor implied. If you could repeat previously discredited memes or steer the conversation into irrelevant, off topic discussions, it would be appreciated. Lastly, kindly forgo all civility in your discourse . . . you are, after all, anonymous.