Investing.com - Asia stocks continue lower as Nikkei gives up a further 1%.
European stocks depressed by Brexit fears; DAX sheds 1.5%.
Pound at two-month lows vs. dollar; yen near six-week highs ahead of FOMC.
Bund yield turns negative for first time ever at minus 0.003%
Oil futures shed 1% as Brent crude drops below $50.