Has the protests affected the market? Probably not.
I prefer to not discuss the value of race relations, however, one can quantify the rioting of the late 190's on Black peoples ability to earn a living. It hurt them badly, as Detroit and other auto makers moved out of that area and into the South instead. Was also about lower wages there, etc.
Am no expert, but cant see how violent protests help any cause.
Bottom line: Peaceful protest that is non-emotional, helps convince people. Violent protests, like tearing down statues, only incites more violent responses. Ahimsa, the use of noviolent means to achieve political or social change is the most effect way to achieve ones goals, IMHO