American Capital Management Inc. Invests $50.52 Million in Proto Labs, Inc. $PRLB
American Capital Management Inc. bought a new position in shares of Proto Labs, Inc. (NYSE: PRLB) in the second quarter, according to its most recent Form 13F filing with the Securities and Exchange Commission. The institutional investor bought 619,845 shares of the industrial products company's stock, valued at approximately $50,524,000. Proto Labs makes