Gold prices Tuesday reached the highest level in more than six years amid fears of a global economic downturn amid protests in Hong Kong and investors' reluctance to risk assets due to concerns over Argentina's currency crash. Gold, the spot gold, rose 0.3 percent to 1,515.56 ounces per ounce, after US futures rose 0.6 percent to 1,526.90 ounces per ounce after hitting $ 1518.03 hit the highest level since April 2013, Reuters reported. The world's busiest airport was closed by Hong Kong protests The protesters began vetoing a bill that would hand China over to suspects, but would be widened to include widespread calls for democracy. Fears of a China-US trade war, uncertainty shook the financial markets and pushed investors into safe haven assets. Rakih, as a relatively safe investment in times of political and financial uncertainty. The yen was at a seven-month high against the denier.