Roundup: Loose barges / New COVID variant / How these firms fared 

    Rogue barges: Multiple barges have broken loose from their moorings due to hurricane conditions and are now floating down the Mississippi River. WBRZ-TV reports St. Bernard Parish officials saying Sunday night that 22 barges are currently loose on the river and could potentially cause structural damage to oil refineries or the parish water system. Read the full story. 

    Coronavirus: South African scientists said they identified a new coronavirus variant that has a concerning number of mutations, Bloomberg reports. The so-called C.1.2. variant was first identified in May in the South African provinces of Mpumalanga and Gauteng, where Johannesburg and the capital, Pretoria, are situated, the scientists said in a research paper. It’s since been found in seven other countries in Africa, Oceania, Asia and Europe. Read the full story.  

    Surviving the pandemic: More than three-quarters of the largest U.S. companies reported higher revenue than before COVID-19, according to a Wall Street Journal analysis, indicating that many have adapted to changing business conditions caused by the pandemic. Among the companies in the S&P 500, 213 have reported revenue for the calendar year’s second quarter above 2019 levels after a drop in 2020. Another 153 have had second-quarter revenue in each of the past two years that exceeded 2019. Read more.