Japan, long-seen as an indicator of future trends in high-tech industry, has seen its personal computer sales more than double in the first week of January.

Nikkei Market Access, a monthly report issued by Japan's technology weekly, shows that sales increased by 110.4 per cent by volume and 85.8 per cent in value. Part of the rise in individual sales is attributed to Apple's strong iMac sales. Apple reports its Japanese sales are up by 97 per cent, in America sales climbed 35 per cent.

In the US PC Data reports that the iBook was the best-selling portable computer between October and December 1999. Apple stole ten per cent of portable computer sales in this quarter.