Shares of energy companies were more or less flat as investors balanced another large increase in U.S. coronavirus cases against a major deal in the sector.
Berkshire Hathaway on Sunday agreed to buy Dominion Energy's midstream energy business for $9.7 billion including debt, Warren Buffett's latest deal in the oil patch and his first major move of the Covid-19 era.
Natural-gas futures rose by more than 5% to a one-month high as Mr. Buffett's bet on gas pipelines was seen as an endorsement of the viability of the commodity even as states increase renewable-energy commitments.
Oil futures slipped from a four-month high but held above the psychologically significant $40-a-barrel level.
Write to Rob Curran at rob.curran@dowjones.com
