As new weight loss medications garnered buzz last year, analysts' forecasts signaled these drugs would be blockbusters, with some of the highest estimates calling for peak sales of at least $100 billion. In recent days, the expectations are moving higher still. The initial projections were made before Wall Street saw the results of Novo Nordisk's Select trial in August. The early readout from that study shows semaglutide, which is sold under the brand names Ozempic and Wegovy, could reduce the risk of a stroke or heart attack by...