more at the grocery store and the gas pump. supply is simply not keeping up with demand, as consumers start to readjust to life after the pandemic. >> in a lot of ways, the economy is booming, though. cnn's economic correspondent christine romans walks us through what's happening here. >> boris and christi, an important gut check on u.s. economy, america's factories are humming, consumers are shopping and paychecks are fatter. let me show you, first, manufacturing, u.s. industrial output is racing ahead at a nearly two-year high. automotive bouncing back. factory output would have been stronger if not for hiccups in the global supply chain. corporate profits, enviable. big companies are navigating the supply chain woes, passing on higher costs to customers and even padding their profit margins along the way. the biggest companies have fatter profit margins today than