VeriSign, based in Reston, Virginia, said the sale of 4.3 million shares was intended to reduce Berkshire's stake to below 10%, a threshold that triggers regulatory obligations. Berkshire may sell an additional 515,032 shares to meet demand. VeriSign will receive no proceeds from the sale.

VeriSign shares dropped after the company released the pricing of its previously announced underwritten secondary offering of its common stock by affiliates of Berkshire Hathaway. Shares were down 7% at $284.72 on Tuesday. The stock has been down 1.6% this month.

Berkshire Hathaway stock has been in a funk since the company’s May 3 annual meeting, when CEO Warren Buffett said he would step down as CEO at the end of the year. That has created an opportuni

Acquiring CSX would be expensive for Berkshire, but it would still be accretive to its earnings, one analyst calculated.

Berkshire Hathaway (NYSE:BRK.B) is trading mixed after logging six consecutive trading sessions of gains as the multinational conglomerate holding company gears up for its quarterly earnings announcement.

BERKSHIRE Hathaway sold about one-third of its stake in VeriSign, an internet infrastructure and domain name registry company that Warren Buffett’s conglomerate has invested in since 2012, VeriSign said on Monday.