On July 13, ASE Technology declined 3.42% in regular trading, trading at $41.41/share, with turnover of $17.80 million. The decline reflects ongoing profit-taking pressure following the stock's sharp single-day rally of over 10% earlier this month, compounded by broad semiconductor sector weakness.

On the news front, ASE Technology previously reported June consolidated net revenue of NT$65.78 billion, up 32.9% year-over-year, with its core ATM (Assembly, Testing, and Materials) business surging 41.8% YoY to NT$43.49 billion. The strong results triggered the initial spike, but subsequent sessions have seen persistent selling as short-term gains are locked in. The semiconductor sector is broadly under pressure, with Micron Technology down 5.75%, Intel down 4.57%, AMD down 3.92%, Broadcom down 2.09%, and NVIDIA down 0.41%, further weighing on sentiment.

The company announced on July 1 that advanced packaging prices would be raised by over 20%, supporting its medium-to-long-term pricing thesis, though the short-term technical correction continues to digest prior gains.

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