The Ratings Game: Activision stock price notches highest close since 1984 on expansion plans

Activision Blizzard Inc. shares on Friday closed at their highest price since 1984, back when Activision was still making game cartridges for the Atari 2600, following strong earnings and an outlook that seeks to tap more of the fast-growing mobile gaming market.

Activision Blizzard Inc. shares on Friday closed at their highest price since 1984, back when Activision was still making game cartridges for the Atari 2600, following strong earnings and an outlook that seeks to tap more of the fast-growing mobile gaming market.