This is nightly Business Report with Tyler Mathisen and sue herera. Risk assessment. A rare event. The oracle speaks. The big mistake Warren Buffett said some investors like you may be making. Hot topic. Ab old drug gets a new price tag to treat a rare and debilitating condition. That and more tonight on nightly Business Report. Welcome. Gains were small today. Minuscule really. But they were good enough to lift the s p 500 and nasdaq composite to alltime closing highs. Investors seemingly concluded the market had dodged yet another risk. Namely, that france might elect a far right opponent of the European Union and the euro currency. The french for now voted for a moderate and the status quo. And that was enough to let investors globally focus not on european vote counts, but on the improving health of Europe Economy and stock market which has been climbing. We begin with two reports. Bob pisani takes a look at the markets. But first, Michelle Carusocabrera in paris. Reporter last nig