Video game platform Roblox ($RBLX) achieved a major milestone by earning its first investment-grade credit rating from S&P Global ($SPGI) Ratings.

The company’s issuer credit rating was raised to BBB-, the lowest high-grade level, from BB+, the highest junk grade, ...

While a parent's actual credit card may be linked, within the world of the game, kids spend only fictional currencies - like V-Bucks in "Fortnite," or Robux in Roblox.