Stocks that traded heavily or had substantial price changes Friday:

       Merck & Co., up $6.29 to $81.40.

       The drugmaker said its experimental COVID-19 pill reduced hospitalizations and deaths by half in people recently infected with the coronavirus.

       Zoom Video Communications Inc., up $6.06 to $267.56.

       The company and Five9 called off their planned deal after failing to win approval from Five9 shareholders.

       Lordstown Motors Corp., down $1.46 to $6.52.

       The startup electric truck company plans to sell a large assembly plant in Ohio to Foxconn, the world’s largest electronics maker.

       International Flavors & Fragrances Inc., up $7.38 to $141.10.

       The company said chairman and CEO Andreas Fibig plans to retire.

       Walt Disney Co., up $6.84 to $176.01.

       The company reportedly settled a high-profile dispute with “Black Widow” star Scarlett Johansson over compensation.

       NeoGenomics Inc., up 25 cents to $48.49.

       Guardant Health is reportedly considering buying the cancer diagnostics company.

       Jefferies Financial Group Inc., up 78 cents to $37.91.

       The financial services company reported quarterly results that were much better than Wall Street analysts expected.

       PDC Energy Inc., down $4.02 to $43.37.

       The oil and gas company said it will miss its third-quarter production forecast.