Key Takeaways BRK.B fell 2.1% in three months, lagging the sector's 6.9% and S&P 500's 10.1% gains.Shares trade at a 1.60 price-to-book multiple, above the industry average of 1.54.Analysts average target of $537.75 implies an 8.5% upside from the latest closing price.Shares of Berkshire Hathaway Inc. (BRK.B) have lost 2.1% in the past three months compared with the industry’s decline of 2.6%. In the meantime, the sector has risen 6.9% and the Zacks S&P 500 composite has gained 10.1%. Berkshire Hathaway is ...