White Mountains shares jump on $438mn buyback plan

Investors swarmed to buy White Mountains shares today, pushing
the price up almost 6.7 percent in early afternoon trading after
the company said it would spend up to $437.5mn to repurchase common
stock.
The financial services holding company based in Hanover, New
Hampshire will offer stockholders between $825 and $875 per share
under a modified Dutch auction process. The buyback began today and
is set to end on 7 May.
The company's shares closed at $806.17 per share on the...