It might sound crazy to some, launching an entirely new product line while your flagship business has shed two-thirds of its paper value. But Howie Liu, the founder and CEO of Airtable, suggests it’s the sanest thing he could do. The company that investors valued at $11.7 billion during the zero-interest-rate fervor of 2021 now trades on secondary markets at roughly $4 billion. But Airtable has raised $1.4 billion total, and Liu says the company still has half of that in the bank while “throwing...