New York (CNN Business) Should I still invest for the long-haul like Warren Buffett?

Berkshire Hathaway BRKB Kraft Heinz KHC Wells Fargo WFC Coca-Cola KO Buffett'sis lagging the market this year. That's largely because of the huge drop in the stock price of one of Berkshire's biggest holdings . Other top Berkshire investments, includingand, have underperformed the market.

Progressive PGR Berkshire also reported on Saturday that first quarter profits were weak at its massive insurance unit — and shareholders asked Buffett several questions at the company's shareholder meeting Saturday about the tough competition Berkshire's Geico unit was facing from rival

So it may be tempting to say that the Berkshire model of investing in blue chip stocks and owning quality, market-leading businesses is broken.

But that might be a mistake. For one, Buffett is not a short-term momentum investor and is probably not losing any sleep over how the company's portfolio has done during the first four months of 2019.