US stocks have opened higher helped by Procter & Gamble’s 2.4 per cent gain after it beat quarterly earnings estimates and raised its outlook for 2013.

Positive quarterly reports from Oshkosh (+14.8%) and Halliburton (+4.6%) also underpinned the fresh rally on Friday, while Microsoft slipped 0.4 per cent on its middling results.

Five minutes into trade, the Dow Jones Industrial Average gained 30.10 points (0.22%) to 13,855.43.

The broad-based S&P 500 added 4.72 (0.32%) to 1499.54, while the tech-heavy Nasdaq Composite rose 7.42 (0.24% to 3137.80.