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

       Sanderson Farms Inc., up $13.51 to $195.88.

       Cargill and Continental Grain formed a joint venture to buy the poultry producer for $4.53 billion.

       American National Group Inc., up $15.20 to $188.

       Brookfield Asset Management Reinsurance Partners is buying the insurance company for $5.1 billion.

       Tyson Foods Inc., up $6.18 to $77.30.

       The poultry producer handily beat Wall Street's second-quarter profit forecasts.

       Energizer Holdings Inc., down 25 cents to $40.55.

       Investors were disappointed by the battery and personal care products company's profit forecast for the year.

       Elanco Animal Health Inc., down $5.69 to $29.67.

       The maker of medicines and vaccinations for pets cut its profit forecast for the year.

       Air Products & Chemicals Inc., down $15.07 to $275.75.

       The seller of gases for industrial, medical and other uses reported weak fiscal third-quarter earnings.

       Golden Nugget Online Gaming Inc., up $6.23 to $18.50.

       DraftKings is buying the online casino company in an all-stock deal valued at about $1.56 billion.

       Occidental Petroleum Corp., down 78 cents to $25.61.

       Oil prices slumped and dragged down energy stocks.