The SEC should eliminate the "trade-through" rule altogether, not extend it to Nasdaq markets.

Exchanges are at last being exposed as anchronisms, sustained by inertia and by the desire of incumbents, with help from regulators, to keep raking in monopoly rents.

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Few investors know that when they ask their broker for a current price of a New York Stock Exchange (NYSE) or NASDAQ stock, the broker is paying for this data and that the revenue from the sale...

President Obama says that his health plan's popularity will grow once its provisions start being implemented. But peculiar rules tucked into the legislation are likely to make the entire scheme even more disliked as its implementation approaches.

Governors should perform as much radical surgery as possible on health care exchanges until a new Congress working with a different president can do something better, which would establish an alternative to ObamaCare and its one-size-fits-all health plans.

Two years from now we will likely be looking at an insurance market that has become worse, not better, with premiums higher and more Americans joining the rolls of the uninsured.

Bankers have created an amazing bubble, an international panic and a massively costly bust.

It has become a ritual in Washington to "restart" military exchanges with China. Regular contact has been suspended a number of times over the past two decades and each new cancellation sparks a round of worrying over the causes of the rift.