Utilize your financial knowledge, give your answer or opinion to the input question or subject . Answer format is not limited.

Historical P/E ratios of small-cap vs. large-cap stocks?
There is most likely an error in the WSJ's data.  Yahoo! Finance reports the P/E on the Russell 2000 to be 15 as of 8/31/11 and S&P 500 P/E to be 13 (about the same as WSJ). Good catch, though!  E-mail WSJ, perhaps they will be grateful.