KEY POINTS
  • The yen is set for its biggest daily rise in 20 months. 
  • Japan's currency surged across the board on Thursday as traders flocked to safe-haven investments. 
  • A slide in the dollar was triggered by the news of a rare cut in sales forecast by Apple.

The rallied against the dollar and euro on Thursday as investors sought the perceived safety of the Japanese currency after a shock revenue warning from Apple Inc exacerbated concerns about a Chinese and global economic slowdown.

The dollar was 0.95 percent lower against the yen at 107.84 yen, while the euro was 0.86 percent lower against the yen.