NEW YORK (AP) -- Stocks that moved substantially or traded heavily Friday:
Activision Blizzard Inc., down $4.81 to $46.54
The video game publisher announced that its eight-year partnership with game developer Bungie was ending.
General Motors Co., up $2.45 to $37.18
The automaker predicted strong results for this year and said it doesn't foresee any more job cuts through 2020.
Iridium Communications Inc., up $1.40 to $21.16
A SpaceX rocket carrying 10 satellites for the communications company blasted off successfully in California.
Marriott International Inc., down 63 cents to $109.42
A group of law firms has filed the largest lawsuit yet against the company related to the hotel chain's huge data breach.
Vail Resorts Inc., down $27.30 to $187.33
The ski resort company lowered one of its full-year forecasts as fewer guests came in early December.
ConocoPhillips, down $1.55 to $66.39
Energy companies fell as the price of crude oil turned lower after a nine-day winning streak.
Embraer S.A., up 58 cents to $23.23
The Brazilian government said it won't block a deal between the aircraft maker and Boeing Co.
PVH Corp., up $6.83 to $105.77
The parent company of Calvin Klein and Tommy Hilfiger raised its revenue forecasts for the fourth quarter and for 2018.