Warren Buffett: How To Identify 'Moat' Stocks by Robert Tattersall, The Globe And Mail
A recent article in the ROB suggested that the defensive moat surrounding some of Warren Buffett’s core holdings may be eroding. In particular, Coca-Cola, International Business Machines, Procter & Gamble and Wells Fargo were singled out as candidates for a critical review due to declining revenue trends.
It is a bold investor who will challenge Warren Buffett’s track record, but maybe there is some truth to this allegation. So, how can the individual investor separate iconic names whose defensive moat remains impregnable from those such as Eastman Kodak and Polaroid, which were iconic names en route to oblivion?
My approach is to examine the marginal,...

