The animation shows the net income comparisons over time for Berkshire and its top 5 holdings of publicly traded companies in terms of market value, namely, Apple, Bank of America, Chevron, Coca Cola, and American Express. We can see that over time, Apple generates huge sums of profits for Berkshire. One thing to note is that the reason why Berkshire’s net income fluctuates so much is due to the nature of GAAP accounting principles to include short-term profits or loss of its marketable securities holdings.