addendum to today's earlier post

In today's earlier post on price improvement, retrieval of the Barron's story is inconsistent.  At times, the full story popped up.  At other times, only the story's introduction popped up, with an invitation to subscribe to Barron's.  I've tried Google Chrome & Microsoft Edge with the same experience.  This Fidelity link is very helpful, albeit it's not a 3rd party reference:  Fidelity Investments, trade execution