Stock Market Today, March 5: The Trade Desk Soars on Reports of OpenAI Ad Sales Talks and Insider Buying

The Motley Fool
by newsfeedback@fool.com (Josh Kohn-Lindquist)
March 5, 2026
OpenAI ad-sales talks and a major insider buy are reshaping how investors view this digital ad platform, today, March 5, 2026.
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Originally published on The Motley Fool on 3/5/2026