Losing his touch?

Berkshire Hathaway’s faithful thousands have descended on Omaha for its annual meeting. Unlike many chief executives these days, Warren Buffett can expect an easy ride from his adoring shareholders. And his shareholders will have something extra to chew on this weekend, along with Dilly Bars and corn-fed steaks. Late Friday Berkshire announced the $4bn acquisition of an Israeli machine-tool company. The deal may crowd out other issues. For instance, Berkshire’s stock price has lagged since the...