The number of global merger and acquisition (M&A) contracts fell to an over-20-year low in April as US President Donald Trump announced reciprocal tariffs on 2 April, according to data compiled by Dealogic for Reuters.The number of deals signed by US companies in April was 555, the lowest since May 2009, with firms such as Chime and StubHub pulling back from proposed IPOs, and bankers advising clients to hold off on M&A and IPOs.Related NewsPaul Chan: Mainland Visitors to HK Up 31% YoY in First 2 Days of Labor Day Golden Wk; City's Waterfront Appeal Will Be Enhanced