Feb 25 (Reuters) - Warren Buffett's Berkshire Hathaway Inc (BRKa.N) on Saturday reported its highest-ever annual operating profit, even as foreign currency losses and lower gains from investments caused fourth-quarter profit to fall.
Quarterly operating profit fell 8% to $6.71 billion, or $4,596 per Class A share, from $7.29 billion.
Profit also fell at the BNSF railroad, while Berkshire generated more profit from its energy businesses and more income from its insurance investments as interest rates rose.
For all of 2022, Berkshire lost $22.82 billion, largely because of losses in its $308.8 billion common stock portfolio.
"We're delighted to see the growth in float," said Thomas Russo, a partner at Gardner Russo & Quinn who helps invest $8 billion, about 17% of which is in Berkshire stock.
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