Last year we predicted the arrival of the first US recession since 2009 and we told in advance that the market will decline by at least 20% in (Recession is Imminent: We Need A Travel Ban NOW). In these volatile markets we scrutinize hedge fund filings to get a reading on which direction each stock might be going. In this article, we will take a closer look at hedge fund sentiment towards Diffusion Pharmaceuticals Inc. (NASDAQ:DFFN). Hedge fund interest in Diffusion Pharmaceuticals Inc. (NASDAQ:DFFN) shares was flat at the end of last quarter. This is usually a negative indicator.