苹果概念股上扬，科森科技4连板，星星科技等大涨

Group 1 - Apple concept stocks experienced significant gains on October 20, with Star Technology (300256) rising over 17% and Kosen Technology (603626) hitting the daily limit for the fourth consecutive trading day [1] - The iPhone 17 has entered large-scale production, with Foxconn, the main manufacturer for Apple, ramping up hiring at its Zhengzhou plant [1] - Upgrades in the iPhone 17 are expected in areas such as SoC chip AI capabilities, heat dissipation, FPC soft boards, batteries, and back covers, leading to increased value [1] Group 2 - Kosen Technology has seen a continuous four-day limit increase, but the company clarified that it does not produce robot products despite being listed as a robotics concept stock by the media [1]