STOCK WATCH

Among 23 of the largest San Gabriel Valley-based companies traded on the New York and American stock exchanges and NASDAQ, 11 gained value, 10 lost and two remained unchanged Tuesday compared with the same day last week.

Tue. Point Company Price Change GAINERS Wesco Financial Corp. 116.75 +1 1/4 Avery Dennison Corp. 36.00 +2 Tetra Tech Inc. 17.75 +1 1/4 LOSERS Jacobs Engineering 17.25 -1 3/8 Countrywide Credit 13.75 -1 1/8 First Mortgage Corp. 4.00 - 3/4

Source: Joe Lamas of Merrill Lynch, Pierce, Fenner & Smith Inc., Pasadena