Of the 100 largest publicly traded companies...

Of the 100 largest publicly traded companies in Orange County, 28 gained value Thursday, 28 lost and 44 remained unchanged for the day. The following chart shows the five biggest percentage winners and losers among county companies’ stocks.

Thurs. Percent Company Price Change GAINERS Ropak Corp. $7.50 +7.1 Nichols Institute 14.50 +4.5 SPI Pharmaceuticals 9.13 +4.3 Western Digital 9.38 +4.2 Trimedyne Inc. 6.25 +4.2 LOSERS Hammond Co. 4.00 -8.7 Amplicon Industries 9.25 -7.5 Provena Foods 5.00 -7.1 Archive Corp. 9.63 -4.9 Newport Pharmaceuticals 3.06 -4.1