They closed at $91.25, up $2.375, on trading of 10.1 million shares.
The company's stock fell 31.3 cents to close at $58.188 on trading of 7,145,400 shares.
Premiere's stock closed at $26.25, in trading of more than 6.5 million shares.
The company's stock rose $2.50 a share yesterday, to $62.50, in active trading of 1.9 million shares.
The stock closed at $105.75, down $7.31, on exceptionally heavy trading of more than 11 million shares.
Computer Associates' stock rose $1.09 yesterday, or 4.3 percent, to $26.66, in trading of more than 12 million shares.
The company slipped into the red after the stock market crash of October 1987 led to sharply lower share trading.
A Western diplomat said the question of share trading had become too sensitive ideologically.
Instead it is important to distinguish between legitimate and illegitimate share trading.
It closed at $30.50 today, down $1.875, in heavy over-the-counter trading of almost 2.4 million shares.
