$United Microelectronics (UMC.US)$ Why did it drop? That's w...
$United Microelectronics(UMC.US$ Why did it drop? That's weird
![$United Microelectronics (UMC.US)$ Why did it drop? That's weird](https://ussnsimg.moomoo.com/1635435012431-102726348-android-compress.jpg/bigmoo)
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