In theory, leasing should improve cash flow although the impact of the Equinix deal has not yet been factored into guidance or seemingly capital expenditure guidance.

FORBES: Rackspace: Bull and Bear Cases

The breakout this week after the stress tests were largely positive and the Federal Reserve acknowledged the economy had improved since January ushered in a new wave of bullishness with the yield on the 10-year Treasury ticking up to 2.3% stoking the theory that money rushing out of bonds could flow into stocks.

FORBES: 'Relentless' Rally Still Vulnerable: Analyst

Many believe capital deployment should follow a "pecking-order theory" that prescribes that managements should apply their cash flow, in order of priority, to fix their balance sheet if overleveraged, fund organic investments, pay dividends, fund acquisitive growth and, only when there is additional cash left over, to distribute it via share repurchases.

WSJ: The Pros and Cons of Stock Buybacks

In theory, drivers will then adjust their departure times and smooth out the flow of traffic through the day.

ECONOMIST: Road-pricing in California