Weakening demand for two of Micron's key product categories caused the stock to slump in 2018.
Western Digital shares lost over half of their value as demand for one of the company's most important products weakened.
Adobe has transformed its business and quadrupled its stock over the last five years.
Twilio's rapidly expanding business sent its stock soaring last year.
A slowdown for the smartphone market weighed on Skyworks last year.
Despite solid sales and earnings growth, Baidu stock lost nearly a third of its value last year.
Does YY stock look cheap after last year's big slide?
The stock's history has been characterized by big swings, but shares are still up big over the last several years.
2018 was a year of big stock swings and big merger news for the cloud company.
Wavering momentum for the company's core security software business wasn't investors' only big concern last year.
Momentum for the networking giant's growth business helped its stock handily outperform the market last year.
Shares of the surgical robotics company have risen more than 280% over the last five years.
Coherent shareholders felt the impact of trade tensions between the U.S. and China last year.
Himax's 3D sensing chips didn't have the breakout year investors were looking for.
Activision Blizzard and iQiyi, promising entertainment stocks, might do it within the next two years.
Looking for dependable dividends? These three stocks have you covered.
Despite losing a quarter of their value in December, Ollie's shares gained nearly 25% in 2018.
With its cryptocurrency ambitions abandoned and its cloud business evaporating, things look bleak for Xunlei.
Hess stock saw big sell-offs in December and ended 2018 down 14.7% on the year, but shares have bounced back in 2019.
The automotive e-commerce stock posted big gains in December but still traded down roughly 22% across 2018.