Here’s why Warren Buffett bought all the Occidental Petroleum shares he could, even with oil prices shooting past $100

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Is It Time to Buy the Dow Jones’ 3 Worst-Performing May Stocks?

Although the Dow Jones Industrial Average (DJINDICES: ^DJI) essentially finished last month where it started, Dow constituents Cisco Systems (NASDAQ: CSCO), Boeing (NYSE: BA), and Walmart (NYSE: WMT) lost 8%, 12%, and nearly 16%, respectively, of their value in May. You can guess why Boeing shares struggled as much as they did last month … more of the same issues its been dealing with for the past few years. While the aircraft manufacturer seems to have fully addressed all of its issues with the 787 MAX, airlines remain a bit hesitant to commit to new plane purchases, while Boeing itself is still playing catch-up.