$Arm Holdings (ARM.US)$ On the day of the biggest drop in the Nikkei average in early August, I disposed of most of the semiconductor-centered stocks I held, believing that if it dropped by this much, it would return a little the next day, so I bought SOFTBANK GROUP trusting Masayoshi Son. After that, two AI-related Nobel Prizes were announced, and when I thought that there was only AI left for investment, based on my judgment as a Japanese stock investor, I considered SOFTBANK GROUP the closest, and currently concentrated all funds other than NISA stock investments into SOFTBANK GROUP. I bought NVDA stocks before the February earnings report for American stocks, chased after the rapid rise, but incurred losses since the day I bought the ETF that was heavily advertised by this brokerage and then sold everything. After that, I bought back a little before the August earnings report, and also bought some ARM stocks. Although the sales ratio of SOFTBANK GROUP is less than ARM's, its stock price moves in correlation with ARM's stock price. This brokerage firm extensively covered an article stating that when ARM's stock price reaches $100, but due to Masayoshi Son's passion for AI at SOFTBANK, I continued to buy SOFTBANK GROUP stocks, which have now become an incredible number, and I was thinking of reducing them a little...

$Shin-Etsu Chemical (4063.JP)$ It dropped significantly, but why? I would appreciate it if someone could tell me the cause.

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