President Barack Obama offered Xi Jinping a warm welcome at the White House, greeting his Chinese counterpart with a "ni hao," or hello, at the start of a tricky state visit.
Australia's new Prime Minister Malcolm Turnbull has advised China to ease off on island construction in the South China Sea if it wants a reduced US presence in the region.
Google is talking with Chinese authorities and smartphone makers about opening an online shop in China stocked with applications for Android-powered mobile devices.
It was the best of shows, it was the worst of shows: as 12,000 troops and hundreds of tanks and missiles rolled through Tiananmen Square in front of invited guests and foreign leaders.
International Monetary Fund chief Christine Lagarde declared Asian economies were doing "pretty well" despite the volatility caused by China's slowdown.