@Biohazard3737 we'll see odd moves in airline sector for sure. 

but remember:

he owned ~10% of the 4 major US airlines ??

and refused to own even 1% of $GOOG $AMZN $MSFT

plowed billions into regulated, capital intensive, energy.

so honestly, we need to move forward.  $BRK.A $BRK.B