On June 18, Monolithic Power Systems fell 3.22% in regular trading, trading at approximately $1,449.15/share, with turnover of $943 million. The stock extended its technical correction following a sharp 9.29% decline in the prior session, as concentrated selling pressure continued to weigh on shares.

The decline comes amid sustained profit-taking after the stock surged in recent weeks on two key catalysts: NVIDIA's announcement of its next-generation 800V power architecture partner list — in which MPS was named as an officially endorsed supplier — and expectations of power management IC price increases, with the company planning to further expand pricing adjustments in July. Despite these positive fundamental developments, the rapid run-up triggered multiple rounds of profit-taking.

Notably, the broader semiconductor sector posted gains on the day, with Micron Technology up 3.44%, Marvell Technology up 5.39%, and Intel up 2.73%, while NVIDIA slipped 1.83%. Monolithic Power Systems diverged from sector strength, indicating that individual stock-level selling pressure remains concentrated as investors lock in gains from the prior rally.

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