On July 17, Montage Technology (06809.HK) declined 4.59% in regular trading, trading at 261.8 HKD/share, with turnover of approximately 71.19 million HKD. The stock extended losses from the previous session when it plunged over 18% following news of a Korean antitrust investigation.

On July 15, Seoul Central District Prosecutors Office raided the Korean offices of Montage Technology, Renesas Electronics, and Rambus over alleged price-fixing in semiconductor components supplied to Samsung Electronics and SK Hynix. The company disclosed late on July 16 that it is fully cooperating with the investigation, stating that neither the company nor its directors or employees have been charged with any wrongdoing, and operations remain normal.

In an effort to stabilize market confidence, the company simultaneously released positive H1 earnings guidance projecting net profit of 1.9 to 2.1 billion yuan, representing 63.9% to 81.2% year-over-year growth driven by increased DDR5 RCD chip shipments. Chairman Yang Chonghe also proposed a share buyback of 300 to 600 million yuan in A-shares. Despite these measures, the overhang from the Korean investigation continues to suppress short-term sentiment.

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