Warren Buffett, the man who christened credit derivatives "financial weapons of mass destruction", is lobbying against a proposed clampdown on existing derivatives contracts.

Is there nothing to which Warren Buffett cannot turn his hand? Via Berkshire Hathaway, he holds a stake in US insurer Geico, whose staff traditionally make a video for the annual general meeting. This year that video stars Buffett rocking out and singing a power ballad Geico staff wrote – in bandana and wig, right, he looks remarkably like Axl Rose from Guns N' Roses. Check it out on YouTube.

Some good news at last for victims of the Equitable Life scandal still fighting for a better compensation deal. Honor Blackman has agreed to give the campaign her public backing. Let's see if the glamorous actress can do for Equitable Life savers what Joanna Lumley managed for the Gurkhas.

Outlook: Are we entering the endgame for Warren Buffett's Berkshire Hathaway?

Outlook Those Cadbury shareholders who have expressed their disappointment about the terms on which the company is being bought by Kraft may take some comfort from the remarks made yesterday by Warren Buffett. It appears that Kraft shareholders – Mr Buffett's Berkshire Hathaway is the biggest investor in the US company – aren't entirely happy about this deal either.

Kraft's largest shareholder, Warren Buffett, condemned the company's proposed £11.9bn takeover of Cadbury as a "bad deal" yesterday, saying he felt "poor" as a result.

Dairy Milk firm Cadbury set out its case for independence today as it urged shareholders not to let US giant Kraft "steal your company".

Just 1.5 per cent of Cadbury shareholders have accepted Kraft's hostile £10.9bn takeover bid, the US food giant admitted yesterday.

Outlook Kraft's Irene Rosenfeld is clearly set on winning the day at Cadbury. In selling her company's pizza business – one of Kraft's best performers – to finance the offer of more cash to Cadbury investors, she is betting her own future on securing the deal. If she fails, Kraft will be a significantly weaker company and Ms Rosenfeld's position will be threatened.

Facebook has created a dual-class stock structure designed to give founder Mark Zuckerberg and other existing shareholders control over the company.

As Warren Buffett looks forward to an improving world economy, he is betting on chocolate, energy and discount retailing, at least according to the latest filings to the Securities and Exchange Commission in New York detailing positions taken by his investment holding giant, Berkshire Hathaway, in public companies.