This was a stunning show of power tennis from the 26-year-old and it felt like he would cruise over the line, but Ferrer had other ideas and dipped into his renowned energy reserves to break back in game eight and square the set at 5-5.

BBC: Robin Soderling sees off David Ferrer in Tour finals

When Mr. Miller bought the Energy Conversion Devices shares, the renewable-energy industry was vulnerable because this investment-tax break was due to expire at the end of 2008.

WSJ: Congressional Staffers Gain From Trading in Stocks

The regulator said at the time it wanted to "break the grip" of the big six energy firms.

BBC: MPs call for energy doorstep mis-selling compensation