Dan PrimackAdd Axios as your preferred source tosee more of our stories on Google.Illustration: Annelise Capossela/AxiosGroq is raising up to $650 million from existing investors, after the AI chipmaker previously signed a $20 billion licensing deal with Nvidia that saw much of its senior team depart, Axios has learned.Why it matters: Groq is one of the biggest AI wins so far for venture capitalists, and those same investors now get a second bite at the apple.Or at least a different sort of appl...