Oct 9 (Reuters) - * JAPAN REGULATOR TO CLAMP DOWN ON INSIDER TRADING IN TENDER OFFERS - NIKKEI * FINANCIAL SERVICES AGENCY IS ALREADY CONSIDERING IMPOSING BIGGER FINES FOR VIOLATORS - NIKKEI Further company coverage: [ ] (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)