The Nikkei 225 fell 0.31% to 63,095.11 at the midday break, while the broader Topix index declined 0.84% to 3,931.61.
According to the report, investor sentiment was subdued following a decline on Wall Street last week and disappointing corporate results from Kioxia. However, stronger-than-expected earnings and upbeat forecasts from some Japanese companies provided support to the benchmark index.
Kioxia shares plunged 13.29%, emerging as the biggest drag on the Nikkei, after the memory chip maker's outlook for the quarter through December fell short of investor expectations.
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In contrast, Tokyo Electron gained 5.11% after the semiconductor equipment maker forecast a 50% increase in annual group net profit, exceeding analysts' expectations.
Panasonic Holdings advanced 5.16% after raising its full-year operating profit forecast by 20% to 710 billion yen ($4.51 billion). The company's improved outlook was supported by several factors, including stronger-than-expected demand related to artificial intelligence.
The weakness in Japanese equities came after a sharp selloff in US markets on Friday. The Nasdaq recorded its biggest single-day…