** Shares of memory chip makers fall premarket, after flash-memory manufacturer Kioxia posts HY sales and profit decline
** Japan-based Kioxia reports a 13% fall in sales for six months ended September 30 to 791.15 bln yen ($5.25 bln) and a 66.5% decline in profit to 58.94 bln yen
** Shares of Seagate Technology STX.O down ~4%, while Western Digital WDC.O dips more than 3%
** Sandisk SNDK.O, which has a JV with Kioxia Corp, a subsidiary of Kioxia Holdings, down ~6% at $266.8
** Up to last close, STX and WDC have more than tripled, while SNDK is up nearly eightfold since its return to Nasdaq in February this year
($1 = 150.7800 yen)
(Reporting by Arnav Mishra in Bengaluru)
((Arnav.Mishra@thomsonreuters.com;))
