TECHNOLOGY - March 11, 1992

AST Research Falls: AST Research Inc.’s stock fell 6% in active trading Tuesday after two Wall Street analysts lowered their third-quarter earnings estimates for the Irvine-based personal-computer maker. Investment banking firms First Boston Corp. and Mabon Securities Corp. lowered their estimates for AST’s fiscal quarter ending March 31. Based on lower sales expectations for the quarter, the firms downgraded their estimates from 56 cents and 58 cents a share, respectively, to 50 cents a share. An AST spokeswoman declined to comment. AST stock closed at $19.125 a share, down $1.375 a share in over-the-counter trading. Volume was 1.2 million shares, compared to an average daily volume of 831,600 shares.