This is also true. Intraday trade halts happen on occasion and for good reason, and removing a natural brake would lead to further exploitation and problems.

This is also true. Intraday trade halts happen on occasion and for good reason, and removing a natural brake would lead to further exploitation and problems. The IEX stock exchange was made to make longer term trade more attractive but I think the vision was too limited to have the impact they were hoping to have.