* Hong Kong gains 1.74% as tech shares rebound
* Japan’s Topix at 31- year high
* Chinese yuan and Aussie gain on the U.S. dollar
By Alun John
HONG KONG, Sept 10 (Reuters) – Asian shares bounced back on Friday after two days of losses, as news of a call between leaders Xi Jinping and Joe Biden offered some relief to traders struggling to interpret choppy market reactions to central banks’ cautious moves to end stimulus.
MSCI’s broadest index of Asia-Pacific shares outside Japan , gained 0.8%, reversing losses in recent days to sit just 0.5% lower compared to last week’s close, in line with the global trend.
Japan’s Nikkei rose 1.05%, and the broader Topix index touched its best level since 1990, with the risk -friendly mood helping extend the rally kicked off in late August by hopes for a new government.
U.S. stock futures, the S&P 500 e-minis, firmed 0.27%, and in early European trading pan-region Euro Stoxx 50 futures were up 0.31% and…