Stocks that traded heavily or had substantial price changes Thursday:

       Alcoa Corp., up $1.62 to $61.25.

       The bauxite, alumina and aluminum products company reported strong fourth-quarter financial results.

       Encompass Health Corp., up 68 cents to $61.90.

       The chain of rehabilitation care centers is spinning off its home health and hospice business.

       Casper Sleep Inc., up 56 cents to $6.29.

       Shareholders at the mattress maker approved a sale to investment group Durational Consumer.

       Travelers Companies Inc., up $5.11 to $165.18.

       The insurer handily beat Wall Street's fourth-quarter profit and revenue forecasts.

       PacWest Bancorp, up 8 cents to $48.21.

       The owner of Pacific Western Bank reported strong fourth-quarter earnings.

       International Flavors & Fragrances Inc., up $1.62 to $141.

       Activist investor Carl Icahn reportedly took a 4% stake in the food and cosmetics ingredients supplier.

       Regions Financial Corp., down $1.23 to $22.42.

       The holding company for Regions Bank reported weak fourth-quarter earnings.

       Clorox Co., down $5.15 to $175.98.

       The bleach maker slipped as investors shifted money from household good makers and other so-called “safe-play” investments.