By adding extra conditions to traditional convertible bonds, companies can avoid revealing how much earnings would be diluted if the bonds were exchanged for stock.

POTENTIAL DILUTION* CEPHALON 15% FEI 14 LATTICE SEMI 13 COMVERSE TECH 11 COMMONWEALTH TELE 10 GENERAL MOTORS 10 OMNICOM 10 MERCURY INTERACTIVE 10

*In estimated 2004 per share earnings Data: Bear, Stearns & Co.

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