** Shares of South Korean chip manufacturing equipment maker Hanmi Semiconductor 042700.KS rise to a record high of 17.9%

** Customer Micron Technology MU.O rises 9.9% on Wednesday after CFO Mark Murphy says HBM4 has entered high-volume production and shipments have begun

** Hanmi Semiconductor Chairman Kwak Dong-shin tells reporters he is optimistic about Micron's HBM4 shipments to Nvidia NVDA.O and there have been huge equipment orders, according to Yonhap News Agency

** Micron holds a 21% share in HBM market, versus 57% for SK Hynix 000660.KS and 22% for Samsung Electronics 005930.KS, according to Counterpoint

** Hanmi Semiconductor shares rise 72% so far this year

** Shares of Hanmi Semiconductor were up 14.7%, as of 0115 GMT, while Samsung Electronics and SK Hynix rise 3.9% and 3.0%, respectively; broader KOSPI market climbs 1.9%

(Reporting by Jihoon Lee and Heekyoung Yang)

((jihoon.lee@thomsonreuters.com))