Why Shares of Proto Labs Are Plunging Today

It's not just Halloween decorations that are putting a fright into Proto Labs (NYSE: PRLB) investors today. The company's disappointing third-quarter earnings results, evidently, are also scaring shareholders, leading them to leave their positions. 

As of 10:53 a.m. EDT, shares of Proto Labs had plummeted 18.5%.

Continue reading

Source Fool.com