KEY POINTS
  • Every night at 9 p.m. ET, the People's Bank of China fixes a level at which the yuan will trade against the dollar within China.
  • The PBOC on Sunday let the onshore yuan weaken to its lowest level against the dollar in more than 10 years, sparking fears of China weaponizing its currency in its trade war with the U.S.
  • Those fears sent stocks tumbling across the board and moved the yuan to the top of a long list of variables investors are watching during the U.S.-China trade war.
  • "That's going to drive sentiment from day to day along with headlines coming out of China," says one strategist.
A Chinese bank staff member counting stacks of 100-yuan notes at a bank in Huaibei, China.

Following Monday's market meltdown traders will take their cues from the Chinese central bank and where it sets the midpoint for the country's currency, the yuan, as trade tensions between China and the U.S. increase.

Every night at 9 p.m. ET, the People's Bank of China fixes a level at which the yuan will trade against the dollar within China. The central bank last night set it at a stronger-than-expected level versus the greenback, helping U.S. stocks rebound on Tuesday from their worst day of the year.