April 28 : Warren Buffett have taken a few hits during this crisis Berkshire shares are down 30% last year , , Moodays have stripped it from its 3A rating , next coming Friday the company will announce its first quarter result to be very closely watched ....Charles Ortel, managing director at Newport Value Partners, talks with Bloomberg's Betty Liu about the performance of billionaire investor The Oracle of Omaha Warren Buffett source Bloomberg