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Martin Shkreli (C), CEO of Turing Pharmaceutical, is brought out of 26 Federal Plaza by law enforcement officials after being arrested for securities fraud on December 17, 2015 in New York City.
The companies dominated the news cycle with stories that will give us fond or miserable memories many years from now.
One CEO was arrested on securities-fraud charges a few weeks after taking financial control of the company and naming himself to the top spot.
A fake buyout offer filed on the SEC's website sent one stock through the roof, while an actual earnings report released too soon sent another through the floor.
Here we've compiled a list of some of the most talked-about, publicly-traded companies during 2015.
Because whether they were the targets of famous short-sellers, or their CEOs struggled with massive turnaround plans, we just couldn't stop finding these stocks in the news this year.
Note: The 52-week performances were as of December 17.