每經AI快(kuai)訊(xun)，1月19日，美股高開低走(zou)，三大(da)指(zhi)數集(ji)體收跌(die)(die)(die)(die)(die)(die)。道指(zhi)跌(die)(die)(die)(die)(die)(die)1.81%，標普(pu)500指(zhi)數跌(die)(die)(die)(die)(die)(die)1.56%，納指(zhi)跌(die)(die)(die)(die)(die)(die)1.24%。大(da)型(xing)科技股多數下(xia)跌(die)(die)(die)(die)(die)(die)，蘋果跌(die)(die)(die)(die)(die)(die)0.54%，亞馬遜跌(die)(die)(die)(die)(die)(die)0.61%，奈飛漲(zhang)0.03%，谷歌跌(die)(die)(die)(die)(die)(die)0.19%，臉書(shu)跌(die)(die)(die)(die)(die)(die)1.73%，微(wei)軟跌(die)(die)(die)(die)(die)(die)1.89%。熱(re)門中(zhong)概(gai)股普(pu)跌(die)(die)(die)(die)(die)(die)，嗶(bi)哩嗶(bi)哩跌(die)(die)(die)(die)(die)(die)超4%，百(bai)度、蔚來(lai)、理想汽車跌(die)(die)(die)(die)(die)(die)超3%，愛(ai)奇藝(yi)、微(wei)博、騰(teng)訊(xun)音(yin)樂、京東、小鵬(peng)汽車、富途(tu)控股跌(die)(die)(die)(die)(die)(die)超2%，阿里(li)巴巴跌(die)(die)(die)(die)(die)(die)超1%，唯品會(hui)、網易小幅下(xia)跌(die)(die)(die)(die)(die)(die)。中(zhong)國鋁業漲(zhang)超1%，臺積電小幅上(shang)漲(zhang)。