Larry Ellison, left, is one of the world's richest men. That means it's easy for him to finance the purchase of Paramount for his son, David, right.Clive Brunskill/Getty ImagesOracle stock is surging because of AI.That means Oracle cofounder Larry Ellison's net worth is surging.That means it's even easier for Ellison to buy Paramount for his son David.Oracle stock is on a tear.