WASHINGTON—As the coronavirus pandemic and low oil prices walloped U.S. frackers this spring, Texas billionaires Dan and Farris Wilks got a $35 million relief loan to help one of their fracking companies stay afloat. At the same time, they were on a buying spree in the country’s oil patch. Since spring, businesses controlled by the… Continue reading Texas Fracking Billionaires Drew Covid-19 Aid While Investing in Rivals