GREGG WARREN: When we look back at some of your bigger stock purchases during the past decade, two names actually stand out: ConocoPhillips and ExxonMobil.
2015: Should Buffett leave energy investing to Greg Abel?
2015: Should Buffett leave energy investing…
2015: Should Buffett leave energy investing to Greg Abel?
GREGG WARREN: When we look back at some of your bigger stock purchases during the past decade, two names actually stand out: ConocoPhillips and ExxonMobil.