The operating income of US billionaire and investor Warren Buffett's company, Berkshire Hathaway Inc, increased by 71% in the fourth quarter. The group's investment income has risen due to high interest rates. The company's insurance business has also improved. Additionally, Warren Buffett's cash stock, or cash reserve, has increased for the 10th consecutive quarter, reaching a record $334.2 billion, or Rs 28.95 lakh cr, by the end of 2024. Buffett's company sold shares worth $6.7 billion (Rs 58,054 cr) in the fourth quarter. Berkshire's operating income was ₹1.25 lakh crore by December The group said in a statement on Saturday that Berkshire's operating income reached $14.53 billion, or ₹1.25 lakh crore, in the three months up to December. This growth in operating income was due to a 48% increase in insurance investments income amid high interest rates. The company's insurance investments income was $4.1 billion. The company's operating profit increased by 27% to ₹4.11 lakh crore in 2024 Meanwhile, the company's operating profit in 2024 increased by 27% to $47.44 billion, or ₹4.11 lakh crore, which was $37.35 billion (₹3.23 lakh crore) a year earlier. The operating profit for the fourth quarter also set a record. It increased by 71% to $14.53 billion (₹1.25 lakh crore), which was $8.48 billion (₹73,478 crore) a year earlier. The company's net income totaled ₹7.71 lakh crore in 2024 The company's net income for the quarter totaled $19.69 billion, or ₹1.70 lakh crore. Meanwhile, the value of Berkshire's shares in Apple, American Express, and other companies has also increased. In 2024, the company's net income totaled $89 billion (₹7.71 lakh crore). During this period, the operating income of the company's insurance underwriting business reached $3.4 billion (₹29,460 crore). GEICO was the main contributor to Berkshire's insurance results. Its pre-tax underwriting income more than doubled in 2024 to $7.8 billion (₹67,586 crore). Berkshire said it expects a pre-tax loss of about $1.3 billion (₹11,264 crore) from wildfires that broke out in several parts of Los Angeles last month. Warren Buffett is the 7th richest in the world According to Forbes' real-time billionaire list, Warren Buffett is the 7th richest person in the world with a net worth of ₹13.03 lakh crore. Buffett is 94 years old and is one of the world's largest investors. In the list of the rich, Tesla owner Elon Musk is at the top with a net worth of ₹34.07 lakh crore World's Top 10 Richest People