

Do you mean investors are trying to manipulate stocks by planting stories? Yeah, I think so. But intelligence agencies have whole training programs on how to manipulate narratives, and a very long track record of doing so.
See: Israel’s hasbara apparatus,
GCHQ leaked documents on infiltrating and derailing socialist discussions,
Church Committee Hearings,
“The Cultural Cold War” by Frances Stonor Saunders.
Propaganda is when you punch someone in the face and then quote them saying “I’ll kill you” instead of mentioning the face punch.