Short Warren Buffet video about the difficulty of analyzing financial companies. The question comes from a young Bill Ackman I think. https://www.google.com/search?client=firefox-b-1-d&q=warren+buffett+some+companies+are+too+hard+to+analyze#fpstate=ive&vld=cid:56ff9b0f,vid:5mOs4SRYwco,st:0