3D Systems’ (DDD) shares have plunged 63.6% year to date (YTD) compared with the broader Zacks Computer and Technology sector’s return of 17.6%.The underperformance can be attributed to challenging macroeconomic conditions, weak customer demand and stiff competition.In second-quarter 2024, DDD generated revenues of $113.3 million, down 11.7% year over year. The downtick was mainly due to reduced printer sales from macroeconomic challenges affecting hardware demand, partly offset by growth in materials and s ...