First, there was the Magnificent 7 of publicly traded companies: Apple Inc. (NASDAQ:AAPL), Microsoft Corporation (NYSE:MSFT), Nvidia Corporation (NASDAQ:NVDA), Amazon.com, Inc. (NASDAQ:AMZN), Alphabet Inc. (NASDAQ:GOOG) (NASDAQ:GOOGL), Meta Platforms Inc. (NASDAQ:META) and Tesla Inc. (NASDAQ:TSLA). Now, there is the Private Magnificent 7 of U.S. companies in the innovation space, according to private market platform Forge Global Holdings (NYSE:FRGE). Forge has identified these startup “unicorns” — privately owned startups that are valued at $1 billion or more — as SpaceX, OpenAI, Stripe, Inc.,…