Valley stock watch: stock activity for 50 selected Greater San Fernando Galley-based public companies.

BI-WEEKLY TOP GAINERS

TOP 10 GAINERS BY PERCENTAGE

                       Aug.    July
                         12      29    Point     2-Wk    52-Wk      YTD
Company               Close   Close   Change   % Chg.   % Chg.   % Chg.

Qualstar Corp.        $6.19   $5.78     0.41     7.1%    28.7%     3.2%
3D Systems Corp.      11.50   11.08     0.42     3.8%    13.3%    43.9%
Unico American         6.21       6     0.21     3.5%    11.3%    44.8%
  Corp.
Earl Scheib Inc.       3.31     3.2     0.11     3.4%    35.1%    17.0%
Public Storage Inc.   40.60    46.3     1.30     2.8%     9.7%    27.5%
Ryland Group Inc.     78.66   76.65     2.01     2.6%   -11.3%    18.3%
IRIS International     6.61    6.45     0.16     2.5%     9.3%    70.8%
  Inc.
Salem                 25.73   25.35     0.38     1.5%    -5.1%      20%
  Communications
  Corp.
Variflex Inc.         7,179    7.14     0.04     0.5%    16.0%      18%
Cherokee Inc.         23.95   23.88     0.07     0.3%     5.7%      20%

TOP 10 LOSER BY PERCENTAGE

                       Aug.    July
                         12      29    Point     2-Wk    52-Wk      YTD
Company               Close   Close   Change   % Chg.   % Chg.   % Chg.

Homestore Inc.        $2.23   $3.55    -1.32    37.2%   -52.9%   -11.9%
Valueclick Inc.        7.07   10.36    -3.29   -31.8%   -22.1%    -5.7%
United Online Inc.    10.77   15.59    -4.82   -30.9%   -35.9%   -50.1%
Ixia                   5.76    7.90    -2.14   -27.1%   -50.8%   -21.1%
MRV Communications             2.90    -0.65   -22.3%   -40.2%     7.1%
  Inc.
Vitesse                2.08    2.64    -0.56   -21.2%   -64.4%   -62.9%
  Semiconductor
  Corp.
Optical                1.72    2.14    -0.42   -19.6%   -53.5%     1.2%
  Communication
  Products Inc.
Chad Therapeutics      3.70    4.36    -0.66   -15.1%    54.8%    80.5%
  Inc.
North American         6.18    7.24    -1.06   -14.6%   -41.1%   -28.6%
  Scientific Inc.
Semtech Corp.         17.04   19.67    -2.63   -13.4%   -25.1%     5.4%

THE VALLEY 50 STOCK INDEX

Company                            Aug. 12   52-Week   52-Week   2-Week
Name                      Ticker     Price     High      Low     % Chg.

Amgen Inc.                AMGN      $54.83    $7  14    $52.15    -3.8%
Biosource International   BIOI        6.16     $9.10     $5.00    -5.7%
  Inc.
CalAmp Corp.              CAMP        5.48    $17.20     $3.31   -12.5%
Capstone Turbine Corp.    CPST        1.53     $3.52     $1.19   -12.6%
Chad Therapeutics Inc.    CTU         3.70     $5.75     $1.90   -15.1%
Cheesecake Factory/The    CAKE       38.28    $49.12    $31.86    -8.6%
Cherokee Inc.             CHKE       23.95    $25.70    $18.68     0.3%
Countrywide Financial     CFC        66.06    $73.93    $32.40    -7.7%
  Corp.
Digital Insight           DGIN       13.72    $28.15    $13.05    -7.7%
  Corp. (L)
Diodes Inc.               DIOD       2  97    $26.96    $12.03     0.0%
Electre Rent Corp.        ELRC        9.61    $15.15     $8.55    -1.8%
Electronic Clearing       ECHO        7.81    $13.06     $4.40   -12.2%
  House Inc.
Earl Scheib Inc.          ESH         3.31     $3.91     $2.23     3.4%
Guitar Center Inc.        GTRC       41.36    $47.42    $26.71    -8.2%
Health Net Inc.           HNT        23.33    $33.99    $21.86    -6.0%
Homestore Inc. (L)        HOMS        2.23     $5.95     $2.04   -37.2%
Ihop Corp.                IHP        34.85    $39.40    $31.88    -6.8%
Image Entertainment       DISK        3.80     $5.10     $2.37    -2.8%
  Inc.
Interlink Electronics     LINK        7.74    $12.37     $5.15   -10.4%
  Inc.
IRIS International Inc.   IRIS        6.61     $9.34     $3.33     2.5%
Ixia (L)                  XXIA        5.76    $15.95     $5.72   -27.1%
K-Swiss Inc.              KSWS       17.74    $28.45    $16.80    -1.6%
MRV Communications Inc.   MRVC        2.25     $5.01     $1.98   -22.3%
North American            NASI        6.18    $12.24     $6.12   -14.6%
  Scientific (L)
On Assignment Inc.        ASSN        4.72     $8.24     $4.13    -8.2%
Optical Communication     OCPI       $1.72     $4.80     $1.63   -19.6%
  Products
Panavision Inc.           PVIS        6.50     $6.50     $3.25     0.0%
Power-One Inc. (L)        PWER        7.74    $14.38     $7.60   -10.3%
PS Business Parks Inc.    PSB        38.79    $46.60    $35.38    -3.7%
Public Storage Inc.       PSA        47.60    $5  00    $35.58     2.8%
QualstarCorp.             QBAK        6.19     $6.88     $4.25     7.1%
Rexhall Industries        REXL        1.35     $3.55     $1.25   -12.9%
  Inc. (L)
Ryland Group Inc.         RYL        78.66    $94.30    $63.00     2.6%
Salem Communications      SALM       25.73    $33.65    $19.09     1.5%
  Corp.
Semtech Corp.             SMTC       17.04    $27.54    $15.60   -13.4%
Sport Chalet Inc.         SPCH       12.00    $15.08     $6.90    -4.8%
Superior Industries       SUP        3  11    $46.15    $3  03    -9.4%
  International (L)
Tekelec                   TKLC       16.94     $1.20     $  36    -1.3%
THQ Inc.                  THQI       17.81    $21.56    $14.21   -12.7%
3D Systems Corp.          TDSC       11.50    $14.08     $6.60     3.8%
21st Century Insurance    TW         12.51    $15.35    $12.50    -2.5%
  Group
Unico American Corp.      UNAM        6.21    $23.27    $14.70     3.5%
United Online Inc. (L)    UNTD       1  77     $8.07     $3.95   -30.9%
Valueclick Inc. (L)       VCLK        7.07    $29.09    $1  45   -31.8%
Variflex Inc.             VFLX        7.18    $12.75     $6.31     0.5%
Vitesse Semiconductor     VTSS        2.08     $9.39     $2.04   -21.2%
  Corp. (L)
Walt Disney Co.           DIS        21.21    $28.41    $19.78    -7.8%
WellPoint Health          WLP        98.68   $119.06    $74.18    -1.9%
  Networks
Worldwide Restaurant      SZ          3.00     $4.01     $2.58    -2.0%
  Concepts Inc.
Zenith National           ZNT        42.72    $51.29    $26.98    -6.0%
  Insurance Corp.

Company                   52-Week     YTD     PE      Mkt. Cap
Name                       % Chg.   Change   Ratio   (millions)

Amgen Inc.                 -11.3%   -20.6%    25.2    69,415.7
Biosource International     -9.0%   -10.7%    77.0        58.2
  Inc.
CalAmp Corp.               -61.1%    65.6%    10.5       126.7
Capstone Turbine Corp.     -17.7%    26.4%      NA       129.6
Chad Therapeutics Inc.      54.8%    80.5%    37.0        37.5
Cheesecake Factory/The     -13.1%    16.2%    30.9     1,983.9
Cherokee Inc.                5.7%    20.0%    14.3       207.5
Countrywide Financial       30.6%    93.1%     6.5    18,599.2
  Corp.
Digital Insight            -44.9%   -33.9%    19.3       485.9
  Corp. (L)
Diodes Inc.                 10.4%    73.3%    18.0       279.6
Electre Rent Corp.          -2.8%   -17.3%    22.9       239.1
Electronic Clearing        -28.7%    71.6%    25.2        49.5
  House Inc.
Earl Scheib Inc.            35.1%    17.0%      NA        14.5
Guitar Center Inc.          26.7%    25.5%    21.3     1,040.5
Health Net Inc.            -28.7%   -23.2%    11.3     2,612.2
Homestore Inc. (L)         -52.9%   -11.9%      NA       326.7
Ihop Corp.                  -9.4%     5.7%    18.1       704.3
Image Entertainment         -7.8%    44.5%      NA        69.4
  Inc.
Interlink Electronics       10.3%    37.0%    86.0        89.6
  Inc.
IRIS International Inc.      9.3%    70.8%    47.2       104.5
Ixia (L)                   -50.8%   -21.1%    24.0       349.6
K-Swiss Inc.               -26.4%    -4.1%    11.6       618.5
MRV Communications Inc.    -40.2%     7.1%      NA       233.7
North American             -41.1%   -28.6%      NA        94.1
  Scientific (L)
On Assignment Inc.          -9.4%    11.8%      NA       119.1
Optical Communication      -53.5%     1.2%      NA       193.8
  Products
Panavision Inc.             18.2%     1.6%      NA        57.0
Power-One Inc. (L)         -28.5%   -25.4%      NA       649.0
PS Business Parks Inc.      -6.0%     3.0%    36.6       846.0
Public Storage Inc.          9.7%    27.5%    38.7     6,543.0
QualstarCorp.               28.7%     3.2%      NA        77.9
Rexhall Industries         -58.3%   -57.8%      NA         7.9
  Inc. (L)
Ryland Group Inc.          -11.3%    18.3%     7.2     1,865.3
Salem Communications        -5.1%    20.0%    64.3       667.0
  Corp.
Semtech Corp.              -25.1%     5.4%    29.9     1,266.8
Sport Chalet Inc.           22.4%    67.4%    14.3        80.1
Superior Industries        -30.8%   -29.3%    13.3       801.9
  International (L)
Tekelec                      8.9%    16.8%    35.3     1,064.9
THQ Inc.                     5.3%     9.3%    21.0       697.2
3D Systems Corp.            13.3%    43.9%      NA       150.9
21st Century Insurance      -9.0%   -14.3%    15.1     1,069.2
  Group
Unico American Corp.        11.3%    44.8%     8.4        34.1
United Online Inc. (L)     -35.9%   -50.1%    12.8       676.1
Valueclick Inc. (L)        -22.1%    -5.7%    32.1       566.2
Variflex Inc.               16.0%    17.9%    89.7        33.1
Vitesse Semiconductor      -64.4%   -62.9%      NA       456.7
  Corp. (L)
Walt Disney Co.             -9.1%    -5.5%    19.8    43,577.7
WellPoint Health             1.7%    24.4%    14.1    15,498.9
  Networks
Worldwide Restaurant         7.1%   -11.5%    33.3        82.5
  Concepts Inc.
Zenith National             31.2%    57.8%    12.2       823.6
  Insurance Corp.

MARKET SUMMARY

MOST ACTIVE STOCKS

TOP 10 STOCKS                   VOLUME

Amgen Inc.                    79,146,165
Walt Disney Co                72,279,600
Vitesse Semiconductor Corp.   62,120,240
United Online Inc             34,598,514
Valueclick Inc.               28,564,348
Countrywide Financial Corp.   24,528,000
Homestore Inc.                12,891,754
Semtech Corp.                 11,682,174
Health Net Inc.               11,161,400
THQ Inc.                      10,936,916

WEEKLY SUMMARY

Advances                              11
Declines                              38
Unchanged                              1
New Highs                              0
New Lows                              10

NOTES ON STOCK TABLES

Tables based on July 29-Aug. 12, 2004

(H) Stock hit new 52-week high

(L) Stock hit new 52-week low

(S) Stock split during week

MARKET INDEXES
               Aug. 12    July 29     Point    2-Wk     52-Wk     YTD
Index           Close      Close     Change   % Chg.   % Chg.   % Chg.

Dow Jones      9814.59   10129.24   -314.65    -3.1%     5.4%    -6.1
  Industrial
NASDAQ         1752.49    1881.06   -128.57    -6.8%     3.9%   -12.5%
S&P 500        1063.23    1100.43    -37.50    -3.4%     7.4%    -4.4%
Valley 50        97.52     102.97     -5.45    -5.3%    -6.6%    20.4%