Shares in Bank of America closed almost 10% higher overnight after Warren Buffett pledged to take a $5bn stake in the firm, which may have already netted him a $1.3bn profit.
Floundering economic growth and political stalemate have rocked investors in the IMA North America sector
Apple's Steve Jobs has resigned as chief executive of the technology giant, announcing he could no longer continue in the position following his battle with cancer.
Warren Buffett has revealed he has exploited recent sell-offs to buy up cheap stocks.
GAM has opened its long-running US Equity fund to UK retail investors with the launch of a mirror fund.
Fidelity International's Trevor Greetham has warned the "fiscal masochism" of US and European policies is leading to a new risk of recession and stagflation.