Shares in Twitter have fallen 20% in pre-market trading after it reported a net loss of $645m (£396m) for 2013, just three months after flotation.
Capita Asset Services is predicting a record year for UK dividends in 2014, despite a lacklustre period for dividend returns last year.
Legg Mason Capital Management's Sam Peters has said US financials are the cheapest cyclical stocks in the US market and will climb sharply if interest rates increase this year.
Newly-listed Royal Mail has entered the FTSE 100 index of the UK's largest companies following a huge move in its share price post-IPO.