Construction: Quarrying group Ennstone is attempting to dig itself out of a hole in the new year by bringing in an insolvency accountant as its new executive chairman
Economics: Investors have welcomed Barack Obama’s plans for a multi-billion-dollar stimulus package to revive the US economy as the President-elect met congressional leaders to discuss the plan
Aviation: The takeover of much of the European airline industry by the continent’s biggest carrier seemed to move ahead as separate reports linked German giant Lufthansa with bids for SAS of Scandinavia and Italy’s Alitalia
Scandal: Bernard Madoff memorabilia has become a hot item on eBay just as details of the alleged fraudster’s eccentric habits while in London emerge
Consumer: The provincial luxury and boutique hotels group behind the Malmaison and Hotel du Vin brands is trading well, listed company MWB Group said
Banking: Australian lender National Australia Bank has given a qualified commitment to its UK operations, saying it will keep the Clydesdale and Yorkshire banks in the group “for the time being”
Aviation: Aer Lingus has been challenged to explain a £2.6 million bonus reportedly granted to chief executive Dermot Mannion.
Regulation: Top companies are being probed by the Financial Services Authority and may face fines or prosecution for failing to disclose profits warnings quickly enough.
Technology: There were fears for hundreds of jobs at Microsoft's offices in Reading and London amid reports that the software giant is set to axe up to 15,000 staff worldwide
Energy: Oil prices plunged as concerns over lower demand outweighed earlier optimism inspired by slower increase in stocks in the US.
Banking: Bankers face the prospect of "dramatically lower" bonuses this year and the prospect of future payouts being clawed back if their investments fail to perform
Retail: Administrators for children's fashion chain Adams have warned that store closures are likely, putting up to 3200 UK jobs at risk
Industrials: Industrial giant LyondellBasell Industries is in danger of collapse as the twin threats of rising costs and global recession put the squeeze on the chemicals industry
Scandal: Bernard Madoff has provided investigators with a list of his assets as they untangle the details of the £35 billion Ponzi scheme he is alleged to have operated