Scott Olson / Getty Images Quick Read Berkshire Hathaway (BRK-A, BRK-B) CEO Warren Buffett retires after 60 years with 20% annualized returns. Greg Abel takes over as CEO on Jan. 1. Berkshire holds $380B in cash as Abel inherits a diversified conglomerate with insurance and energy operations. Berkshire trades at 1.5x book value despite transition uncertainty and concerns about losing the Buffett premium. A recent study identified one single habit that doubled Americans’ retirement savings and moved ...