Groupon, the online coupon group, raised $700m in its highly anticipated initial public offering on Thursday night, with the pricing at $20 a share valuing the group at $12.65bn.
US markets opened lower today as investors remained cautious on tomorrow's European summit aimed at solving the sovereign debt crisis.
BP saw profits soar in the third quarter as it prepares to sell off a further $15bn worth of assets, and the CEO pledges to boost the oil major's dividend and increase share buybacks.
The US is set to see another ratings agency strip it of its AAA-credit rating by the end of the year, Bank of America Merrill Lynch has predicted.
Threadneedle's Cormac Weldon has rotated out of cyclical names in favour of defensives in his £1.2bn American Select fund, as companies struggle against a muted outlook for the US economy.
Wall Street's biggest banks had their worst quarter of results since 2008's financial crisis, with trading revenue down 35% on last year.
US banking giant Goldman Sachs has reported a loss of $428m (£272m), worse than analysts had been expecting.