Sandisk is trading at $1,758.28, down 5%, after another sharp pullback in memory-chip stocks. - Memory shares are declining on profit-taking, elevated valuations and concerns that NAND pricing growth may be slowing. - Rising Treasury yields and inflation fears are pressuring high-valuation technology shares, while major U.S. indexes are lower. - Reuters reported Sandisk closed September 23 at $1,816.57, down 3.73%.