Carl Levin actually said...

New technologies should not erase enduring values. Financial markets cannot survive on technology alone.

Has the proliferation of trading venues and order types created opportunities for predatory high-frequency traders to take advantage of inve...

Some argue that 30 cents on an order is a tiny, minuscule amount, you have given a very strong answer or response to that.

But are there also subjective factors in that determination for both?