Groq, an Nvidia rival that develops specialized server chips and software for artificial intelligence, has told investors it wants to raise about $300 million, according to two people who spoke to the company’s leaders. It has tapped Morgan Stanley to help with the fundraising, according to one of the people and a third person. The new round would roughly double its total funding, bringing it closer to startup rivals such as Cerebras in terms of total cash raised.Started nearly eight years ago b...