Of the 102 largest publicly traded companies...

Of the 102 largest publicly traded companies in Orange County, 23 gained value Tuesday, 41 lost and 38 remained unchanged for the day.

GAINERS

Tues. Percent Company Price Change Gradco Systems Inc. $3.50 +11.8 PDA Engineering $16.50 +10.0 Ceradyne Inc.-Calif. $4.00 +6.7 Pacific Scientific $11.00 +6.0 Odetics Cl. B. $7.13 +5.6

LOSERS

Tues. Percent Company Price Change American Health Serv. $3.50 -20.0 ICN Pharmaceuticals $17.75 -12.9 Viratek Inc. $18.50 -9.8 Birtcher Medical $17.50 -9.7 Quantum Health $23.75 -8.7

Source: Newport Securities