The invested capital has very little correlation with the ultimate value of the company. You obviously want to pay as little as possible for a company you're a

The invested capital has very little correlation with the ultimate value of the company. You obviously want to pay as little as possible for a company you're acquiring but would you say that Google overpaid for Youtube? Youtube only had raised $11M but Google paid $1.7B to buy their team and technology after something like 18 months of operating. Many investments don't pan out, but when they do, they're worth every penny.