• USD/JPY down 0.7% in Asia, extends Wednesday's decline as risk sours

• Markets slump as Trump unveils steeper-than-expected tariffs

• Wall Street futures hit hard; S&P E-Mini hits lowest since September

• Nikkei futures decline 4.2%, hit lowest since Aug 9

• 24% tariffs on Japan, total of 54% on China; markets brace for trade war

• Wednesday range 149.10-150.49, Thursday Asia range 148.15-149.25

• Support 148.18-148.33, Mar 20 low and 76.4% of 146.545-151.215 rally tested

• Break opens 147.75; resistance 148.60-70, 149.00-10
Countries most exposed to U.S. auto tariffs:

(Krishna Kumar is a Reuters market analyst. The views expressed are his own.)