High-flyer Fastly plunges 21% despite earnings beat after CEO reveals TikTok is its largest customer (FSLY)

· *High-flying Fastly plunged as much as 21% on Thursday despite reporting second quarter earnings that beat estimates and raising guidance.*
· *Fastly has seen a surge in business amid the COVID-19 pandemic, and investors have taken notice, with its stock up more than 400% year-to-date.*
· *In an interview with Barron's,...