Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.
What: Shares of Universal Display
So what: The selloff appears to amount to profit-taking after last week's remarkable run, fueled by much better-than-expected second-quarter results. The OLED supplier may finally be on the way to producing sustainable profits.
Now what: Of course, that'll depend on having customers such as Sony
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