In this episode of Tech Teardown, Erin Kennedy discusses the latest developments in the tech sector with Evan Niu, CFA, our tech and telecom bureau chief. 

  • Like other social media companies, Twitter's international footprint is small. That just means it has room to grow.
  • Twitter's operating expenses are keeping it from notching profitability -- a common problem for young companies.
  • Twitter's public debut showcases the mechanics of IPOs and how they affect ordinary investors.
  • NVIDIA's third-quarter earnings give investors something to cheer about.

Erin Kennedy owns shares of Apple. Evan Niu, CFA owns shares of Apple, Qualcomm, and LinkedIn. The Motley Fool recommends Apple, Facebook, LinkedIn, and NVIDIA and owns shares of Apple, Facebook, LinkedIn, and Qualcomm. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.