Berkshire Hathaway Is the Largest Financial Company by Market Cap. But Is It a Buy?

  • Berkshire Hathaway (BRK.A 0.25%) (BRK.B -0.04%) is the largest financial company by market cap at more than $1 trillion, according to research from The Motley Fool. Its stock has been massively successful, rising nearly 170% over the past five years.