NEW YORK -- Stocks that traded heavily or had substantial price changes Monday:

       CBRE Group Inc., down $1.25 to $94.53.

       All Storage is considering a sale and reportedly working with the commercial real estate company.

       Omnicom Group Inc., down 91 cents to $71.48.

       The advertising company is buying public relations and communications agency Oliver Schrott Kommunikation.

       Chevron Corp., down $1.98 to $94.78.

       Oil prices fell and weighed down energy companies.

       Freeport-McMoRan Inc., down $1.88 to $31.17.

       The copper and gold mining company's stock fell as copper prices slumped.

       Brooks Automation Inc., up $8.31 to $102.45.

       The maker of automation and life sciences equipment is selling its automation business for $3 billion.

       Tesla Inc., down $29.32 to $730.17.

       The head of the National Transportation Safety Board reportedly said the electric vehicle maker should hold off on upgrades to its driver-assistance software.

       D.R. Horton Inc., down $2.72 to $88.08.

       The homebuilder lowered its forecast for home closings in the fourth quarter because of supply chain issues.

       Pfizer Inc., up 31 cents to $44.20.

       The drug developer said its COVID-19 vaccine works for children ages 5 to 11 and that it will seek U.S. authorization for that age group soon.