Listen to the full article:【明報專訊】WASHINGTON'S sweeping "reciprocal tariff" measures have come into effect, with duties on Chinese imports exceeding 100%. Far from capitulating, US President Donald Trump's campaign of maximum pressure is only spurring Beijing to accelerate domestic economic reforms and deepen trade ties with other trading partners. As the China-US economic confrontation escalates, Hong Kong would do well to uphold its longstanding role as a duty-free port. Any symbolic move, such as imposing retaliatory tariffs on American goods, would be both ineffectual and unnecessary.