Warren Buffett is once more buying up shares of Occidental Petroleum with oil prices advancing above $80 per barrel for the first time since April.
You must keep up on Warren Buffett stocks: The Berkshire Hathaway chief sticks to a winning investing formula, but he does not sit still.
Berkshire Hathaway has stepped in again to buy up more Occidental Petroleum shares. One analyst sees $60 as the trigger level for buying.