Investing.com – Nikkei 225 down 3% as yen surges after BoJ eschews stimulus.
Europe opens lower as DAX sheds 0.7%; U.S. futures show weakness.
Yen at 20-month high vs. dollar as rates on hold, Brexit vote looms.
Oil futures shed further 1% on stockpile data, ongoing demand concerns.
Gold jumps past $1,300 to 22-month high on safe-haven value.