Buffett Adds More Apple, Reduces IBM Stake by Another Third November 13, 2017 by quixnet Buffett Adds More Apple, Reduces IBM Stake by Another ThirdBloomberg Buffett sticks with big airline bet, even as value dropsCNBC Big changes seen in Warren Buffett and Berkshire Hathaway stock holdingsUSA TODAY Six More Warren Buffett Buys, Including Southwest AirlinesForbes Full coverage