Buffett's successor begins to use massive cash reserves! Berkshire (BRK.A.US, BRK.B.US) increased its stake in Delta Air Lines (DAL.US) and Alphabet (GOOGL.US) in the second quarter, net buying nearly $20 billion in stocks.

According to Zhitong Finance APP, Berkshire Hathaway (BRK.A.US, BRK.B.US) further increased its positions in Delta Air Lines (DAL.US) and Google's parent company Alphabet (GOOGL.US) in the second quarter. With Greg Abel taking over as CEO from Warren Buffett, the investment giant has begun to gradually tap into its massive cash reserves, increasing stock investments and mergers and acquisitions.