Companhia Siderurgica Nacional (CSN)
US stocks overnight rose overnight as investors were looking for positive corporate results to fuel the rally after a disappointing start of the earnings season. A brokerage upgrade of drugmaker Merck & Co and an upbeat outlook from Kraft Foods Inc has helped to lift the healthcare and consumer sectors. Financial shares also climbed during a hearing over the financial crisis on Capitol Hill.
Wall Street stocks tumbled overnight on a second downgrade of Greece's sovereign debt in a month and Citigroup's capital raising. The US dollar rebounded as investors cut riskier assets. The US dollar index, which measures its performance against a basket of major currencies, rose to its highest level in more than three months.
US stocks closed weaker overnight after the US Commerce Department lowered its estimates of third quarter GDP and consumer spending. US economic growth in the third quarter was revised down to 2.8 per cent, down from an early estimate of 3.5 per cent expansion. Investors also worried Chinese banking regulator's capital-adequacy requirements would force the nation's lenders to tighten bank lending in China.