Shares of Fastly (FSLY) are under pressure on Thursday after the company lowered its revenue guidance for the third quarter, citing reduced use from its largest customer, the video-sharing app TikTok. Following the announcement,… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id3175897/-Fastly-tumbles-as-analysts-cut-rating-after-TikTokrelated-sales-hit)