This blog is about X-Index research news. For example the idea of the X-Index Fund is that selected collections of securities, found by ranking a whole stock exchange (i.e. NYSE) on mathematical entropy figures, calculated over a recent bull period for each i.e. NYSE registered security, has a performance memory to a certain extent in a future bull period. One can see this as the collective memory of all human stock investors combined with the digital memory of all investement bank datacenters. Recent blogs are examples of X-Index Technical Analysis Reports you can order for US $500 per security on this site. TOP 100 report NYSE positive trending securities, can be updated after every trading day, cost US $1,000.