Overview: A showdown between UK Prime Minister Johnson and Parliament over Brexit pushed sterling below $1.20. The euro has extended its losses after finishing last week below $1.10. Growth concerns are seeing equities retreat. Japanese and Chinese shares managed to eke out gains, but the Asia Pacific and European stocks have been sold. The Dow Jones Stoxx 600 has been turned back from key target reached yesterday and is snapping a three-day advance today. US shares are trading heavily in Europe, and the S&P 500 may open more than 0.8% lower. Benchmark 10-year yields are