Berkshire Hathaway rose 1.72% to $756,265.00, its biggest one-day gain in 2 weeks and a 1.8σ move against its 60-day volatility, on 1.5× average volume. The move was broadly in line with its sector — the S&P 500 fell 0.29% while Financial Services peers (XLF) rose 1.29% the same session — so little of it was company-specific. Shares closed near the session high (100% of the day's range) and reclaimed their 50-day moving average. The move added $27.50T of market value.

Berkshire Hathaway fell 1.38% to $764,636.62. This was largely stock-specific: the S&P 500 gained 0.25% while Financial Services peers (XLF) rose 0.21% that session, leaving about 1.6 points of the move unexplained by the market after adjusting for a 0.71 beta. Shares opened with a 1.06% gap down. It came 3 sessions after the quarterly print. The move erased $23.06T of market value.

Berkshire Hathaway fell 2.33% to $775,339.55, its biggest one-day drop in 5 months and a 2.6σ move against its 60-day volatility. This was largely stock-specific: the S&P 500 fell 0.32% while Financial Services peers (XLF) fell 0.02% that session, leaving about 2.1 points of the move unexplained by the market after adjusting for a 0.71 beta. Shares closed near the session low (5% of the day's range). It came 2 sessions after the quarterly print. The move erased $39.81T of market value. Historically, after 2.5σ-or-larger down days, Berkshire Hathaway returned +0.90% on average over the following 5 sessions (64% positive, n=11).