Another ETF with exposure to solar is the Market Vectors Solar Energy ETF ( KWT) which counts GT Solar ( SOLR) as its largest holding at a 10.46% weighting, followed closely by First Solar at 10.09%.

FORBES: Solar Stocks: A Value Investor's Best Friend?

There is no serious discussion of the idea that a low leverage ratio should be the first line of defence, and that the Basel risk-weighting rules should be less prescriptive and more in the form of guidance.

BBC: If banks are treated as naughty kids...