Plummeting natural gas prices and disappointing production results in key regions like Louisiana severely impacted this energy player. : -50%
Even the blue-chip Dow had its share of laggards. According to CNBC : : -7% Exxon Mobil : -7% Merck : -4% Verizon : -0.8%
A combination of mild winter weather and the looming threat of Amazon entering the car parts space drove shares down significantly. : -40% worst stocks to buy 2017
Facing investigations into billing practices and rising labor costs, this medical services provider saw its value nearly halve by year-end. : -44%
Once a high-growth favorite, the retailer faced fierce competition and repeatedly slashed its sales forecasts as consumer preferences shifted. : -46% : -40% Facing investigations into billing practices and
The toymaker reeled from the bankruptcy of major retailer Toys 'R' Us and declining sales for core brands like Barbie and Hot Wheels. : -44%
These companies saw the steepest declines, often losing nearly half of their market value during the calendar year. : -51% : -44% These companies saw the steepest declines,
Burdened by massive debt and weak natural gas prices, investors remained skeptical of the company's ability to balance its books. : -41%