China economic slowdown currency pairs Double Top Pattern Economic Indicators Fed rate cut forex analysis forex market forex news Forex Trading New Zealand Dollar nzd/usd NZD/USD bears NZD/USD Decline NZD/USD drop NZD/USD lowest level NZD/USD resistance level NZD/USD support level nzd/usd technical analysis NZD/USD trading strategy RBNZ rate cut Trading NZD/USD US Dollar Weakness