Warren Buffett in annual letter calls Apple one of ‘Four Giants’ driving Berkshire Hathaway’s value

Warren Buffett said he now considers tech giant Apple as one of the four pillars driving Berkshire Hathaway, the conglomerate of mostly old-economy businesses he’s assembled over the last five decades.

In his annual letter to shareholders released on Saturday, the 91-year-old investing legend listed Apple under the heading “Our Four Giants” and even called the company the second-most important after Berkshire’s cluster of insurers, thanks to its chief executive.

“Tim Cook, Apple’s brilliant CEO, quite properly regards users of Apple products as his first love, but all of his other constituencies…