Short term fluctuations in the stock prices is a noise that you are supposed to ignore. (safalniveshak.com)
For example, I just mentioned that one should not read too much into daily fluctuations in the stock prices. (carbonbrief.org)
Its success stories include the discovery of the «inverse cubic law», an apparently universal form describing the distribution of fluctuations in stock prices and market indices. (sciencedaily.com)