Cadence Design Systems Inc is suspending its previously announced stock repurchase program to protect the use of pooling of interests accounting for the previously announced merger with Cooper & Chyan (CI No 3,030). The more favorable accounting treatment cannot be used if the shares issued to merge the two companies are simply re-purchased again post merger. Cadence provides software tools and professional services for the design of semiconductors and computer systems. Cooper & Chyan develops fast circuit interconnection software to complement Cadence’s circuit design software.