Can your capital stack flex when you need it to? And the companies that come out ahead are often the ones whose capital stack can move at the speed of business. This is when your capital stack either works for you or gets in your way. Many mid-sized businesses don't lack capital — they just can't access it quickly enough to take action. How to build a capital stack that can moveSmart operators don't see capital as something to sit idle — they build systems that allow it to move with the needs of the business.