Business news for Mon, 31 Dec 2007 & with words jump+price. 3 news.

LONDON (MarketWatch) -- The Financial Services Authority is probing a jump in the share price of U.K. waste services group Biffa ahead of an announcement in November that it had received a 1.2 billion pound ($2.4 billion) takeover bid, according to a report in the Times (of London) newspaper. The report said the FSA has written to various parties involved in the talks to ask what they knew about any possible bid before buyout groups HgCapital and Montagu Private Equity revealed their offer. The inquiry is a part of a continuing focus at the regulator on insider trading ahead of major announcements, the newspaper added.

The Financial Services Authority is investigating a jump in the share price of Biffa, the waste services group, that occurred before an announcement that two private equity firms had made a £1.2 billion bid for the company.

Vodafone sought last night to play down suggestions that Arun Sarin, its chief executive, is set to reap a £45 million windfall from the turnaround in the mobile phone operator’s fortunes. Reports claimed that Mr Sarin’s potential windfall had been boosted by the 33 per cent jump in the company’s share price over the past year.