"...researchers asked undergraduate business students at the University of Central Florida to rate three-letter ticker symbols from 1,959 publicly traded companies based on how much they liked them and how easy they were to pronounce. The paper found that valuations of shares with symbols the students liked.... were about 1.3 percentage points higher than valuations of those with handles rated less favorably..." continues here
The people behind the ticker symbol decisions for Copper Mountain (CUM) and "Derek and Clive" K92 Mining (KNT) need their heads examining. Mind you, I still rue the day now defunct junior Polar Star got in new management and changed its ticker to PSR. Previously it had been POS, which was simply perfect.