Sonos reported 51.9% revenue growth in FQ3’21 (to July 3) versus a year earlier as a result of continued stay-at-home spending as well as customers buying additional Sonos audio products to add to existing systems. There may be signs of a slowdown in the firm’s supply chain with imports in July rising by just 26.7% year over year after growth of 107% in calendar Q2’21. Sonos has been able to increase its profit margin guidance to “reflect the benefit of tariff refunds received” on imports from China, which accounted for 64.4% of imports in Q2’21 compared to 82.6% in 2019. The Section 301...