The rules, some of which take immediate effect, build on restrictions sent in letters this year to top toolmakers KLA Corp <KLAC.O>, Lam Research Corp <LRCX.O> and Applied Materials Inc <AMAT.O>, effectively requiring them to halt shipments of equipment to wholly Chinese-owned factories producing advanced logic chips.  (Reporting by Arunima Kumar and Yuvraj Malik in Bengaluru; Editing by Krishna Chandra Eluri)  ((Arunima.Kumar@thomsonreuters.com; Twitter:   ;))
Negative
Negative
Applied Materials Inc
Negative
Negative
KLA Corp
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Negative
Lam Research Corp