By Jack MoneyBusiness writer jmoney@oklahoman.comPublicly traded companies worked hard earlier this year to reorient their operations to adapt to new realities created by COVID-19. A report released recently by Embark evaluates how companies that are part of the S&P MidCap 400 Index (including some headquartered in Oklahoma) have handled increased levels of risk and uncertainties posed by the global pandemic as people adapt to the crisis by changing how they work, shop, dine and more. The report, which provides a good spot check on how the nation’s economy is handling those issues, summarizes its findings this way: “It’s not all doom and gloom.” But that depends on what kind of business a company does. Why S&P MidCap 400 Index matters The S&P MidCap 400 Index is a stock market index provided through S&P Dow Jones Indices. Generally, financierws use the index to measure the success of the United States’ mid-cap equities sector, which includes stocks for companies with total market capitalizations that ranged from $2.4 billion to $8.2 billion when they joined the index. As of Jan.Read more on NewsOK.com