Asian shares are sliding amid worries about US investment curbs on China, while a run-up in the euro faded as investors wait for Germany to sort out the formation of its new government with no major surprises. Gold hit a record high on tariff concerns. Investors are also cautious ahead of results from AI darling Nvidia, where options point to a share price move of about 8 per cent in either direction should they surprise. MSCI's broadest index of Asia-Pacific shares outside Japan dropped 1.3 per cent. Japan's Nikkei returned from a public holiday with a drop of 0.9 per...