The latest downgrade from HSBC echoed bearish recent notes from other banks, many of whom have also warned that Apple risks losing market share in China amid the hostile U.S.-China trade environment. "We do not know yet if the retail price of the iPhone will increase in the U.S. However, we see the tariffs impacting Apple's MacBook component costs,'' Rosenblatt Securities said. Apple was the biggest loser among the 30 Dow stocks and was responsible 43 points of the Dow's decline. It also contributednearly 25 points to the Nasdaq-100 index's 1.4% decline. The shares are trading nearly 22% below their 52-week high of $233.47 reached on Oct. 3. Related Articles Commercial property no threat to U.S. expansion: Nareit economist Wall St. pressured as Huawei fallout worries spark tech sell-off GM says most new vehicles to get over-the-air upgrade tech by 2023