Warren Buffett's investing continues to evolve—even at 87

Warren Buffett is still finding new places to invest decades after he started, even though his basic approach of finding businesses selling for less than they are worth hasn’t changed much.

Read: What you don’t know about value investing

Buffett resisted investing in tech companies for years because he didn’t think he could pick which ones would be enduring winners. Now, his Berkshire Hathaway conglomerate is a major Apple shareholder because he views Apple as a consumer products company with loyal customers.

Read: Why Canadian investors need more technology exposure

Berkshire could reveal some more surprises when the Omaha, Nebraska-based company details its stock holdings in a quarterly securities filing which is expected to be made on Tuesday.

University of Nebraska at Omaha finance professor George Morgan says the fact that Buffett continues to change and find new opportunities is a good thing for Berkshire investors.

Also read:

Behind-the-scenes look at Buffett’s AGM

Focusing on quarterly numbers may hurt economy: Buffett and Dimon

Doubling down on a losing investment

Are your clients at risk from protectionism? Experts weigh in