Image source: Sierra Wireless.The value trap: All honest investors will say they have been caught in one. What looked like a high-quality company at a no-brainer purchase price quickly turned into a money-burning nightmare. Shares of Sierra Wireless (NASDAQ: SWIR) took an 18% tumble last month, after the company reported earnings, and have been unable to mount a comeback after reaching all-time highs in 2014 and 2015.