A K Karthikeyan

A K Karthikeyan

Independent equity researcher and sole author of Moat & Margin. Built MoatSCORE, an evidence-first framework for scoring business moats from verified filings. No broker or promoter affiliations.
01
Sep

ITC Buys Its Way Into IT-Services Scale

3 min read
30
Aug

Warren Buffett Turns 96. The Word That Built This Site Turns 31.

7 min read
30
Aug

Weekly Filing Digest — 24–30 Aug 2026

5 min read
29
Aug

Daily Filing Digest — 28 Aug 2026

3 min read
29
Aug

Who Holds the Price Lever? A Cost Shock, Three Companies, Three Answers

3 min read