Shares of Berkshire Hathaway ( BRK.A -3.90%) ( BRK.B -4.44%) are falling on Monday. The company's stock lost 4.3% as of 11:45 a.m. ET today and as much as 6.8% earlier in the day. The leg down comes as the S&P 500 lost 0.5% and the Nasdaq Composite lost 0.7% on the day.

Berkshire Hathaway (BRK-A, BRK-B) stock fell as much as 5% on Monday before paring losses as the conglomerate's board said it had unanimously approved longtime CEO Warren Buffett's appointment of vice chair Greg Abel as his successor,