They have to carry the cost structure of a fully mature company - extensive research facilities, big supporting staff, an expensive building.

MS is using large reserves to buy a mature company at 32x earnings?

"The stock market is full of old, mature companies," he said.

This approach, known as the discounted cash flow model, is perhaps the one most widely to value mature companies.

We're still an adolescent in an industry full of mature companies.

And so they're going to do what old, mature companies do.

By now, they must be dying for some mature, sophisticated company, I would think.

So now there are these relatively mature companies that would normally have access to capital.

I suggest that this is one place to look for the key to lost competitiveness among many of our mature companies.

"They make much more sense for mature companies with a very high ratio of income to employees - like small publishers or public relations firms."