A chief investment officer told Business Insider there's one thing about tariffs she's watching really closely because of its potential impact on consumers: the closure of the so-called de minimis loophole. The de minimis exemption, which allowed packages worth under $800 to enter the country duty-free and without undergoing the formal customs process, ended in August. This closure could have major impacts for US consumers, Sinead Colton Grant , chief investment officer at BNY Wealth, told