Not sure about stock tickers, but for domains it seems to pull an image from the <head> of a page. Looks like it's trying to find a favicon or the largest application image listed. Seems to skip some things like twitter's meta image tag, so maybe there's a preset list of tags it'll search for?
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Not sure about stock tickers, but for domains it seems to pull an image from the <head> of a page. Looks like it's trying to find a favicon or the largest application image listed. Seems to skip some things like twitter's meta image tag, so maybe there's a preset list of tags it'll search for?