(Open): US markets opened higher as investors took heart from a series of encouraging economic surveys.
Data released on Thursday indicated that growth in the US manufacturing sector hit a five month high in August.
The Dow Jones rose 27.49 points to 14,925.04, the S&P 500 climbed 8.72 points to 1,651.52, while the Nasdaq added 25.94 points to 3,625.73.
However, while the overall trend was up, there were some notable falls among individual stocks.
Shares in Hewlett-Packard fell 10% after the PC maker reported an 8% drop in revenue for the quarter ending 31 July, and warned that it was "unlikely" to see revenue growth next year.
Abercrombie & Fitch sank 20% after the clothing firm reported second quarter net profits of $11.4m, down a third from a year ago. It added that comparable sales were down 10% in the quarter, much worse than analysts had been expecting.