Tensions in China continue to rise amid trade war and airport protests.

All departing flights out of Hong Kong International Airport have been cancelled for the remainder of the day due to protests. This is the fourth day of protests and 5,000 anti-government activists have reportedly moved to the departure area of the airport. And for the eighth consecutive session, The People's Bank of China has set the yuan lower than what was predicted. Yahoo Finance's Dan Roberts, Brian Cheung, and Heidi Chung discuss.