Old Mutual Global Investors has more than doubled its adjusted operating profit in 2014, while assets under management jumped 31%.
Shares in The Royal Bank of Scotland suffered a sharp fall after the bank reported a £3.5bn loss in 2014.
Apple has reported the largest quarterly earnings in corporate history, with net profit rising to $18bn in the three months to December.
The Financial Reporting Council (FRC) is to investigate several years' worth of Tesco financial statements following the revelation the supermarket overstated profits earlier this year.
Royal Mail suffered a 21% profit fall in the half year ending 28 September 2014, but beat analysts' expectations of a 30% drop.
UK retailer Mulberry has issued a profit warning after a "greater than anticipated" decline in wholesale sales.
Tesco has said the Financial Conduct Authority (FCA) has started an investigation into its accounting error, after the supermarket revealed last month it had overstated its half year profits by £250m.
Balfour Beatty shares have plunged over 20% this morning, after the UK's biggest construction company issued another profit warning.
HSBC, the largest listed bank in the UK, has reported a sharp drop of 12% in its first half profits for 2014, as declines in emerging markets impacted the group.
UK profit warnings have hit a three-year high after more than 100 warnings were issued in the first half of 2014, according to a new report.