Hedge fund traders were quick to call foul when Redditors banded together to drive up the price of GameStop stock. But it was probably perfectly legal.

After shares of the video game retailer closed down 44% Thursday, they were up about 80% at market open Friday.

Some small day traders don’t mind losing a little if it means hedge funds lose a lot.

On a provocative Reddit forum, millions of strangers can weigh in on questions of right and wrong.

Reddit’s co-founder and CEO reflects on the social media platform as it turns 15.

There's "more of a wokeness to these founders," he says.

We're talking about Reddit. A new book takes a deep dive into the site's history and impact.

Steve Huffman of Reddit says his team wrestles with the gray areas. "We debate these issues quite a bit."

The platform is getting a redesign, but how far will that go toward attracting a broader audience?

Our conversation with Ellen Pao on the pervasive sexual harassment problem in venture capital.