Berkshire Hathaway says it generated $3.4 billion net income during the second quarter. Here's a breakdown of the major contributors to the company's profits:
INVESTMENTS AND DERIVATIVES: Added $713 million net income, up from last year's $1.1 billion loss.
RAILROAD: Hauled in $690 million net income, up from $603 million last year.
MANUFACTURING, SERVICE and RETAIL: Added $789 million, up from $671 million last year.
UTILITIES: Added $215 million, down from $233 million.
INSURANCE UNDERWRITING: Recorded a $7 million loss this year, down from last year's $462 million net income.