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Berkshire ekes out some new highs, but October rally stalls

The more widely held Class B shares also set a new record high close on Monday, finishing that day at $548.56.

But their high during Friday's session of $550.47 is enough for a new all-time intraday record, edging out last Thursday's $549.96.

For the week, however, they inched less than 0.1% higher.

Despite losing some steam this week, Berkshire shares are ending October with strong gains, especially when compared to the S&P 500 and the Nasdaq Composite .

The latter index lost 2.9% Friday, its worst one-day drop since June, as money moves away from high-flying AI and tech stocks over spending concerns.

Berkshire appears to be benefiting from the back-to-basics rotation.

It's closing out the month with an 8.9% gain, as the S&P fell 0.9% and the Nasdaq…