The strong stock market in 2020 has been one of the biggest surprises in a year full of them, and we've heard the explanations, from massive Federal Reserve interventions to bored sports bettors discovering stock trading.
But the reality is the businesses of big companies have held up pretty well in what has been described as the worst economy since the 1930s.
Part of the explanation for how public companies are doing OK is simply that they tend to be bigger. It's so costly to be publicly held in 2020 that the small public company looks increasingly like an endangered species.
The Wilshire 5000 stock index, meant to capture all the American public companies with easily found trading data, once had more than 7,500 names in it but hasn't had even 5,000 for 15 years.
Even as COVID-19 first disrupted business this spring, there was talk about how big companies were in better position to get through the downturn than small businesses were.
Big companies had the capital to invest in technology that made work from home easier and enabled new ways to distribute their products, including direct to the customer. They had more management bandwidth to solve problems like keeping staff safe in the facilities.
UnitedHealth Group of Minnetonka, the biggest player in America's health insurance industry, is having a growth year, and its stock has traded pretty much in line with broader market averages like the S&P 500. Retailers Target and Best Buy Co. are both expected to have growth years, at least according to the fiscal-year revenue estimates of securities analysts.
St. Paul-based Ecolab is among the big companies that did feel financial pain as the pandemic spread, given that a lot of its sales comes from providing cleaning products and services to hotel operators and restaurants, businesses badly hurt by the pandemic. Ecolab took a $38 million hit in its second quarter just from voluntarily suspending the collection of lease payments on dishwashing equipment used by its customers.