[ad_1] Warren Buffett, whose financial insights are craved for Berkshire Hathaway Inc.’s deep ties to the American economic system, had a dark prediction for his personal companies: the nice occasions could also be over. The billionaire investor expects earnings on the majority of Berkshire’s operations to fall this yr as a long-predicted downturn slows financial exercise. He made his feedback on the conglomerate’s annual basic assembly in Omaha, Nebraska, after Berkshire posted an nearly 13% acquire in working earnings to $8.07 billion for the primary quarter. “The vast majority of our companies will report decrease earnings this yr than final…