Beware the buffet effect...
"Berkshire sold 85.6 million shares of Wells Fargo, representing about 26% of its stake and putting its ownership to about 3% from 5.3%. The insurance conglomerate also shed 35.5 million shares of JPMorgan, 61% of its position, which now represents 1% of Berkshire's overall portfolio from 3% in the prior period. Meanwhile, the investment firm acquired nearly 21 million shares of Barrick Gold worth $563 million, representing 0.3% of Berkshire's holding."