S&P 500 reaches 4-year high; Dow flirts with 13,000 mark

S&P 500 reaches a 4 year high in the opening trade above 1,367.17; markets are trading in a narrow band while dow flirts with the 13,000 mark. Meanwhile, shoppers are back in US malls as consumer confidence index in the US hits the level seen in the last one year. However, US home sales fell in January. In corporate news, the legal battle between Proview Technology and Apple spreads as Proview files suits in California, asking for iPad sales to be stopped.