On the Tokyo stock market on the 17th, semiconductor and AI-related shares broadly fell sharply, with Lasertec dropping 4,480 yen to 41,890 yen and Advantest falling 2,135 yen to 27,505 yen. The 4 percent decline in the US SOX index and weakness in Samsung Electronics shares weighed on sentiment, and selling spread to a range of related names: Nomura Micro Science fell 400 yen to 3,850 yen, Murata Manufacturing dropped 768 yen to 7,632 yen, Ferrotec declined 990 yen to 7,010 yen, Meiko lost 2,170 yen to 22,630 yen, Adtec Plasma Technology fell 700 yen to 3,125 yen, Japan Electronic Materials dropped 660 yen to 5,960 yen, Kitagawa Seiki fell 660 yen to 3,910 yen, Musashi Precision Industry lost 340 yen to 3,030 yen, Osaka Titanium Technologies declined 230 yen to 2,480 yen, Rigaku fell 140 yen to 2,266 yen, and JX Metals dropped 294 yen to 3,558 yen. Meanwhile, MH Group rose 10 yen to 247 yen after announcing the establishment of a subsidiary to promote AI-related businesses, Kuramoto Seisakusho gained 27 yen to 184 yen on news of starting performance evaluation of perovskite solar cells with Tohoku Electric Power, JSH extended its popularity from the previous day's limit-up, rising 80 yen to 542 yen, and Vitabrid J climbed 44 yen to 1,084 yen on the introduction of a shareholder benefit plan. TMH fell 300 yen to 1,103 yen after a downward earnings revision, TWOST dropped 29 yen to 344 yen on a 32.3 percent decline in cumulative third-quarter operating profit, Asterisk lost 191 yen to 1,308 yen after posting a cumulative third-quarter operating loss of 41 million yen, and Metareal fell 50 yen to 445 yen after a first-quarter operating loss of 35 million yen, with selling driven by earnings reports and revisions also standing out.