KEY POINTS
  • Fastly CEO Joshua Bixby said late Wednesday that TikTok is the company's largest customer, accounting for 12% of revenue in the first half of 2020.
  • Shares of Fastly plunged after the disclosure, on concern that the company is exposed should the Trump Administration ban TikTok.
  • Fastly's stock has been a standout performer this year, benefiting from the transition to remote work.
China's flags are seen near a TikTok logo in this illustration picture taken July 16, 2020.

Fastly reported better-than-expected quarterly results Wednesday afternoon, but the stock fell 18% on Thursday on concerns the company is overly reliant on China's TikTok.

Joshua Bixby, Fastly's CEO, said on his company's earnings call that TikTok is its biggest customer, accounting for about 12% of revenue in the first six months of the year.