Stocks rose on Wall Street as an earnings forecast by Texas Instruments lifted shares of chipmakers on Thursday.
A successful Treasury bond auction also boosted confidence in US assets.
The Dow Jones Index closed up 80 points to 9627 for a fifth successive session of gains. The Nasdaq Composite was up 24 points at 2084.
However, the FTSE 100 in London was down 0.3%, the DAX in Frankfurt was down 0.4% and the CAC-40 in Paris was down 0.05%.
Earlier, in Tokyo, the Nikkei index was down 202 points to 10,514.
The Australian 200 Index up 49 points, or 1.1%, to 4571 on Thursday.
The NZX 50 was down 10 points, or 0.3%, to close at 3127.
At 8.25am on Friday, the New Zealand dollar was trading at 70.38 US cents, 81.48 Australian cents, 42.22 pence, 64.52 yen and 0.4823 euro. The Trade Weighted Index was at 64.27.
Brent crude oil is trading at $US69.01 per barrel. Gold was trading at $US994.70 per ounce.