Berkshire Hathaway (BRK.B) experienced a significant 24-hour plunge of 6.59% on Monday, as investors appear to be reassessing the company's valuation following its strong year-to-date performance. The decline comes after the stock had surged 17% since the beginning of the year, outperforming the broader market by a wide margin.

The selloff can be attributed to concerns that Berkshire's stock has run up too far, too fast. Despite recent gains, the company's valuation remains under scrutiny. Berkshire's market cap of $1.15 trillion places it as the sixth-most valuable U.S. company, behind tech giants like Apple and Microsoft.

Investors are likely taking a closer look at Berkshire's three main components: 1. Its $287.59 billion equity portfolio 2. $334.2 billion in cash and short-term investments 3. Controlled businesses valued at $528.2 billion

The company's shift towards emphasizing its controlled businesses and maintaining a large cash position may be influencing market sentiment. As Berkshire continues to evolve under Warren Buffett's leadership, the market appears to be digesting these changes and adjusting expectations accordingly.

Despite the recent plunge, analysts suggest that Berkshire's valuation remains reasonable when considering its diverse portfolio of businesses and substantial cash reserves. The company has demonstrated resilience in volatile markets, with its stock still up approximately 8% year-to-date, outperforming major indices.

As the market continues to reassess Berkshire's value, investors will be closely watching for any signals from Warren Buffett and his team regarding future investment strategies and capital allocation decisions.