苹果股价下跌1%，本周迄今累跌3.8%

Group 1 - The core viewpoint of the article indicates that Apple's stock price has declined by 1% on January 23, marking a cumulative drop of 3.8% for the week, and it is experiencing its eighth consecutive trading day of decline [1] Group 2 - The article highlights the ongoing downward trend in Apple's stock performance, emphasizing the significance of the consecutive trading days of decline [1]