With shares on track for another record-high finish on Tuesday, Warren Buffett’s Berkshire Hathaway Inc. BRK.AMX:BRKB was on pace to close with a market value of more than $800 billion for the first time on record. Berkshire’s Class A shares were up 0.8% on Tuesday and trading at $559,271 apiece. At its current price, the conglomerate would close with a market cap of $804.6 billion. The company, whose businesses include Geico and BNSF Railway, reported a profit last month for its second quarter. Berkshire’s Class A shares are up 19.2% so far this year. By comparison, the S&P 500 Index is up 16.9% over that period.

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