Quick ReadSpaceX cratered 48% from its $135 IPO price, yet at 85x price-to-sales, it remains one of history's most expensive large-cap stocks. Whitney Tilson warns against bottom-fishing SpaceX, citing 92x trailing revenues. SpaceX shares surged an unexpected 16% on a day expected to punish sellers, exposing extreme volatility that makes chasing the latest dip treacherous. SoFi Active Invest is offering a limited-time promotion. Open an account, fund it with $50 or more, and you could receive up to $3,000 in complimentary stock for Active Invest accounts.