Cloudflare Inc. said it has fixed a problem that led to the websites for several banks, Shopify, Zoom and LinkedIn to go down Friday.“A fix has been implemented and we are monitoring the results,” the San Francisco-based company said on its status page on Friday. The same page shows that there had been issues with the Cloudflare dashboard and related APIs earlier in the day. Shares in Cloudflare dropped as much as 6% in premarket trading on Friday before paring some of those losses and trading about 2.5% lo ...