Out recent reports and presentations from Flash Memory Summit are published here
MRAM
Persistent Memory
3D Xpoint Optane
ReRAM
Emerging Memory
Also detailed presentation on out cost model which is available for DRAM, NAND, 3D XPoint, and Other memory technologies.
Future reports on details of China's Memory technologies and plans coming
Many reports listed below
http://www.mkwventures.com/reports.html
http://www.mkwventures.com/