After a Pause, Wall Street Pay Bounces Back
nytimes.com
nytimes.com
Paul Krugman's article - "Making Banking Boring" http://www.nytimes.com/2009/04/10/opinion/10krugman.html?em - relates to a paper by economists Thomas Philippon and Ariell Reshef, “Wages and Human Capital in the U.S. Financial Industry, 1909-2006”), that shows a high correlation between a tightly regulated banking sector and economic progress.
Those should be enough reasons to point out, that all is normal and supply an demand on the market is working is NOT the reason for these income spikes: the more fundamental (systemic) reasons win out here.