Business group Berkshire Hathaway Inc. posted net profits at $5.2 billion, in the quarter (Q1) closing March 31, 2015, rising 10 percent increase on y-o-y basis, reports say. Berkshire attributes this to performance of its BNSF railroad unit, and gains from derivatives reports add. The Group has completed 50 years under the leadership of Mr. Warren Buffet.

Operating earnings jumped to $4.24 billion during the quarter, up from $3.53 billion a year ago.

Also, Berkshire’s shareholders’ earning rose to $3,143 a Class A share, from $2,862 a share, a year earlier. Operating profit, which excludes some investment results, rose to $4.24 billion, or $2,583 per Class A share, from $3.53 billion, or $2,149 a share.

Under the Brkshire umbrella are companies including Ben Bridge Jeweler, Borsheims Fine Jewelry, Helzberg Diamonds and the Richline Group, amongst other companies in various sectors.