[garry]

Capital only grows if it can be deployed in new endeavors that generate more revenue (and as a by-product usually increase the amount of labor at work). That's part of the problem. Not enough public companies know what to do with the excess cash, and therefore don't end up creating more value.

[WalterBright]

Companies with excess cash do not store currency in a vault. They invest it, usually in short term investments convertible to cash, but investments nevertheless.