Market Slips, Geopolitical Tensions Rise, RBI Tightens Norms & CCI Probes Steel

• Global geopolitical tensions escalate with Trump's Maduro move and Europe's support for Denmark on Greenland, highlighting Arctic security and legal framework concerns.
• Indian markets saw benchmark indices fall, with Nifty defending 26,150; India's services PMI dropped to an 11-month low in December.
• Reliance Industries denied reports of Russian oil shipments to Jamnagar; IEX shares surged on potential market coupling rethink.
• RBI tightened related-party lending norms for financial institutions to enhance governance and transparency.
• CCI's investigation arm flagged prima facie cartelisation concerns against steel companies, while Nestlé recalled infant formula in Europe over contamination.

Why It Matters: Global tensions, market volatility, key corporate denials, and regulatory actions dominate today's top stories.