Yen Breach of 100 Per U.S. Dollar Foreshadows More Weakness

Yen Breach of 100 Per U.S. Dollar Foreshadows More Weakness

Yuriko Nakao/Bloomberg

The 100-per-dollar level was a key bearish point because it represented a so-called 50 percent Fibonacci retracement between its high of 75.35 in November 2011 and a decade-low of 124.14 in 2007.