Departing from intervention warnings, authorities could step in abruptly to wipe out speculative yen positions, the sources said. Read more at straitstimes.com. Read more at straitstimes.com.

The Japanese yen weakened past ¥162 per dollar for the first time since 1986, reigniting speculation about currency intervention after Japan spent $72.5B

TOKYO, July 2 : Japanese officials are abandoning their habit of telegraphing intervention risks, instead signalling a more targeted campaign to squeeze speculators and raise the…