[A-share memory chip sector rallies in afternoon, with Puran Technology up over 9%] Odaily Planet Daily reports that A-share memory chip stocks rallied in the afternoon, with Puran Technology up over 9%, and Biwin Storage rising over 6%. Other stocks such as Demingli, Juguang Technology, and Shannon Semiconductor also saw gains. According to media reports, some leading companies have verbally informed distributors of their intention to raise prices for enterprise-grade NAND flash memory chips, but formal price increase notices have not yet been issued. (Jinshi)