But more importantly, of those 30 best and 30 worst days, 42 of them, or 70% occurred in 2008 and early 2009. 18 of the 30 worst days and 13 of the best days over the past 15 years occurred in 2008, while 6 of the worst days and 5 of the best days occurred in 2009.
FORBES: Malkiel Shills For Indexing Again, But Backs Baidu Just In Case