On September 14, Credo Technology Group Holding Ltd fell 6.51% in regular trading, trading at $149.675/share, with turnover of $226 million. The decline was driven by a broad-based selloff across semiconductor and optical communication sectors, compounded by lingering post-earnings concerns.

The semiconductor and optical communication sectors experienced systemic selling pressure on the day, with Intel falling 7.2%, Micron Technology declining 7.14%, AMD dropping 6.29%, Corning and Coherent each sliding over 9%, and Astera Labs losing over 8%. Storage and cloud computing names also weakened significantly.

Adding to the downward pressure, the company's fiscal Q1 earnings released in early September, while posting revenue of $479 million that beat expectations and record non-GAAP net income of $236.3 million, disappointed investors with its optical product revenue outlook. Narrowing gross margins and rising R&D expenses triggered valuation reassessment. JPMorgan subsequently cut its price target from $335 to $310. The convergence of sector-wide risk-off sentiment and post-earnings overhang amplified selling pressure on the stock.

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