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Valley stock watch: stock activity for 50 selected greater San Fernando valley-based public...

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BI-WEEKLY TOP GAINERS

TOP 10 GAINERS BY PERCENTAGE

                                     April 21   April 7    Point
Company                                Close     Close    Change

IRIS International Inc.               $14.24     $12.13    2.11
Panavision

Inc. 6.25 5.5 0.75 MRV Communications Inc. 3.4 3.14 0.26 Valueclick Inc. 11.73 10.87 0.86 Salem Communications Corp. 21.01 19.5 1.51 Worldwide Restaurant Concepts Inc. 5.03 4.79 0.24 Biosource International Inc. 9.76 9.4 0.36 Zenith National Insurance Corp. 55.49 54.16 1.33 Electronic Clearing House Inc. 8.51 8.4 0.11 Amgen Inc. 59.25 58.75 0.50 2-Wk 52-Wk YTD Company % Chg. % Chg. % Chg. IRIS International Inc. 17.4% 46.1% 96.7% Panavision Inc. 13.6% 0.0% 56.3% MRV Communications Inc. 8.3% -7.4% 17.6% Valueclick Inc. 7.9% -12.0% 4.5% Salem Communications Corp. 7.7% -15.8% -31.2% Worldwide Restaurant Concepts Inc. 5.0% 23.6% 54.8% Biosource International Inc. 3.8% 41.4% 39.6% Zenith National Insurance Corp. 2.5% 11.3% 31.8% Electronic Clearing House Inc. 1.3% -5.2% -18.0% Amgen Inc. 0.9% -7.6% 3.9% BI-WEEKLY TOP LOSERS TOP 10 LOSERS BY PERCENTAGE April 21 April 7 Point Company Close Close Change Image Entertainment Inc. $3.75 $5.20 -1.45 Homestore Inc. 1.88 2.21 -0.33 Ihop Corp. 43.11 49.88 -6.77 Sport Chalet Inc. 13.75 15.90 -2.15 On Assignment Inc. 4.47 5.09 -0.62 3D Systems Corp. 19.18 21.69 -2.51 Capstone Turbine Corp. 1.32 1.47 -0.15 Qualstar Corp. 4.00 4.42 -0.42 THQ Inc. 26.89 29.04 -2.15 Health Net Inc. 32.72 35.21 -2.49 2-Wk 52-Wk YTD Company % Chg. % Chg. % Chg. Image Entertainment Inc. -27.9% -36.9% 37.9% Homestore Inc. -14.9% -38.0% -63.8% Ihop Corp. -13.6% 2.9% 25.7% Sport Chalet Inc. -13.5% -1.5% 13.7% On Assignment Inc. -12.2% -13.9% -28.0% 3D Systems Corp. -11.6% -3.5% 50.7% Capstone Turbine Corp. -10.2% -27.9% -53.4% Qualstar Corp. -9.5% -15.8% -33.3% THQ Inc. -7.4% 17.2% 35.2% Health Net Inc. -7.1% 13.3% 26.0% THE VALLEY 50 STOCK INDEX Company Apr. 21 52-Week Name Ticker Price High 21st Century Insurance Group TW $13.46 $15.24 3D Systems Corp. TDSC $19.18 $23.73 Amgen Inc. AMGN $59.25 $65.24 Beverly Hills Bancorp Inc. BHBC $10.71 $11.34 Biosource International Inc. (H) BIOI $9.76 $10.24 Capstone Turbine Corp. (L) CPST $1.32 $3.08 Chad Therapeutics Inc. CTU $3.76 $6.11 Cheesecake Factory/The CAKE $32.36 $37.36 Cherokee Inc. CHKE $34.90 $37.87 Countrywide Financial Corp. CFC $32.38 $39.93 Digital Insight Corp. DGIN $17.89 $22.95 Digital Theater Systems Inc. DTSI $17.46 $28.00 Diodes Inc. DIOD $27.03 $29.66 Electro Rent Corp. ELRC $13.04 $16.00 Electronic Clearing House Inc. ECHO $8.51 $11.29 Earl Scheib Inc. (L) ESHB $3.15 $3.80 Guitar Center Inc. GTRC $54.06 $60.97 Health Net Inc. (H) HNT $32.72 $35.41 Homestore Inc. HOMS $1.88 $5.30 Ihop Corp. IHP $43.11 $50.50 Image Entertainment Inc. DISK $3.75 $6.89 Interlink Electronics Inc. LINK $6.40 $12.00 IRIS International Inc. (H) IRIS $14.24 $15.15 Ixia XXIA $16.98 $19.89 K-Swiss Inc. KSWS $32.50 $34.69 MannKind Corp. MNKD $14.94 $24.31 MRV Communications Inc. MRVC $3.40 $4.15 North American Scientific Inc. NASI $3.69 $10.05 On Assignment Inc. ASGN $4.47 $6.35 Optical Communication Products (L) OCPI $1.73 $3.39 Panavision Inc. PVIS $6.25 $7.00 Power-One Inc. (L) PWER $4.90 $11.33 PS Business Parks Inc. PSB $39.60 $45.95 Public Storage Inc. PSA $56.94 $59.49 Qualstar Corp. QBAK $4.00 $6.94 Rexhall Industries Inc. REXL $0.22 $2.95 Ryland Group Inc. RYL $59.87 $71.90 Salem Communications Corp. (L) SALM $21.01 $33.65 Semtech Corp. SMTC $16.95 $25.42 Sport Chalet Inc. SPCH $13.75 $16.00 Superior Industries International (L) SUP $24.33 $35.61 Tekelec (L) TKLC $14.51 $26.13 THQ Inc. THQI $26.89 $30.53 Unico American Corp. UNAM $9.99 $11.50 United Online Inc. UNTD $9.49 $20.75 Valueclick Inc. VCLK $11.73 $14.65 Vitesse Semiconductor Corp. VTSS $2.36 $5.99 Walt Disney Co. DIS $27.67 $29.99 Worldwide Restaurant Concepts Inc. SZ $5.03 $5.35 Zenith National Insurance Corp. (H) ZNT $55.49 $57.23 Company 52-Week 2-Week 52-Week Name Low % Chg. % Chg. 21st Century Insurance Group $12.39 -4.5% -1.0% 3D Systems Corp. $10.66 -11.6% -3.5% Amgen Inc. $52.00 0.9% -7.6% Beverly Hills Bancorp Inc. $8.21 0.6% 6.0% Biosource International Inc. (H) $5.45 3.8% 41.4% Capstone Turbine Corp. (L) $1.15 -10.2% -27.9% Chad Therapeutics Inc. $3.10 -3.6% -31.6% Cheesecake Factory/The $25.01 -6.5% -0.3% Cherokee Inc. $22.70 -4.1% -1.1% Countrywide Financial Corp. $27.21 -1.6% -12.5% Digital Insight Corp. $12.96 -0.4% -2.8% Digital Theater Systems Inc. $12.56 -1.6% -13.3% Diodes Inc. $16.15 -4.3% 19.4% Electro Rent Corp. $9.01 -6.5% -8.4% Electronic Clearing House Inc. $6.45 1.3% -5.2% Earl Scheib Inc. (L) $2.20 -4.5% -7.1% Guitar Center Inc. $35.86 -2.8% 2.6% Health Net Inc. (H) $21.60 -7.1% 13.3% Homestore Inc. $1.81 -14.9% -38.0% Ihop Corp. $33.53 -13.6% 2.9% Image Entertainment Inc. $2.68 -27.9% -36.9% Interlink Electronics Inc. $5.50 -2.9% -32.1% IRIS International Inc. (H) $6.00 17.4% 46.1% Ixia $5.72 -3.7% 1.0% K-Swiss Inc. $17.06 -5.4% 11.6% MannKind Corp. $10.71 -1.6% -5.1% MRV Communications Inc. $1.99 8.3% -7.4% North American Scientific Inc. $3.14 -2.9% -31.5% On Assignment Inc. $4.06 -12.2% -13.9% Optical Communication Products (L) $1.61 -3.9% -30.8% Panavision Inc. $3.75 13.6% 0.0% Power-One Inc. (L) $4.62 -3.5% -45.1% PS Business Parks Inc. $35.38 -0.4% -12.2% Public Storage Inc. $39.50 0.4% 2.1% Qualstar Corp. $4.00 -9.5% -15.8% Rexhall Industries Inc. $0.14 -36.2% -15.4% Ryland Group Inc. $34.40 -4.7% 4.0% Salem Communications Corp. (L) $18.90 7.7% -15.8% Semtech Corp. $15.94 -6.1% -22.4% Sport Chalet Inc. $9.65 -13.5% -1.5% Superior Industries International (L) $23.84 -7.0% -16.2% Tekelec (L) $13.54 -2.6% -29.0% THQ Inc. $16.67 -7.4% 17.2% Unico American Corp. $5.22 -0.1% 5.2% United Online Inc. $8.59 -6.9% -17.7% Valueclick Inc. $6.31 7.9% -12.0% Vitesse Semiconductor Corp. $2.04 -4.8% -33.1% Walt Disney Co. $20.88 -3.6% -0.5% Worldwide Restaurant Concepts Inc. $2.91 5.0% 23.6% Zenith National Insurance Corp. (H) $37.20 2.5% 11.3% Company YTD PE Mkt. Cap Name Change Ratio (millions) 21st Century Insurance Group -6.1% 13.5 1,152.2 3D Systems Corp. 50.7% 319.7 280.2 Amgen Inc. 3.9% 23.1 74,223.5 Beverly Hills Bancorp Inc. 8.7% 16.0 226.4 Biosource International Inc. (H) 39.6% 488.0 95.0 Capstone Turbine Corp. (L) -53.4% NA 111.9 Chad Therapeutics Inc. -1.6% 28.9 38.1 Cheesecake Factory/The 13.3% 36.4 2,527.2 Cherokee Inc. 52.3% 17.6 303.6 Countrywide Financial Corp. 13.3% 8.6 18,924.5 Digital Insight Corp. -18.7% 28.0 647.2 Digital Theater Systems Inc. -33.3% 29.1 298.3 Diodes Inc. 17.4% 16.3 385.3 Electro Rent Corp. 26.7% 15.2 326.9 Electronic Clearing House Inc. -18.0% 31.5 55.1 Earl Scheib Inc. (L) -12.3% 28.6 15.1 Guitar Center Inc. 45.9% 22.8 1,395.0 Health Net Inc. (H) 26.0% 16.8 3,675.6 Homestore Inc. -63.8% NA 276.5 Ihop Corp. 25.7% 22.3 861.2 Image Entertainment Inc. 37.9% 14.4 79.7 Interlink Electronics Inc. -45.0% NA 87.7 IRIS International Inc. (H) 96.7% 94.9 232.2 Ixia 58.2% 51.5 1,091.4 K-Swiss Inc. 26.6% 16.9 1,116.1 MannKind Corp. NA NA 489.6 MRV Communications Inc. 17.6% NA 354.1 North American Scientific Inc. -61.2% NA 60.2 On Assignment Inc. -28.0% NA 113.2 Optical Communication Products (L) -42.3% NA 195.2 Panavision Inc. 56.3% NA 246.1 Power-One Inc. (L) -53.9% NA 414.7 PS Business Parks Inc. 1.6% 51.4 866.4 Public Storage Inc. 35.6% 40.4 7,877.6 Qualstar Corp. -33.3% NA 49.0 Rexhall Industries Inc. -91.8% NA 1.3 Ryland Group Inc. 58.2% 9.1 2,834.8 Salem Communications Corp. (L) -31.2% 38.9 545.5 Semtech Corp. -26.0% 22.6 1,250.1 Sport Chalet Inc. 13.7% 14.8 91.9 Superior Industries International (L) -29.6% 14.0 647.8 Tekelec (L) -18.1% 30.2 952.5 THQ Inc. 35.2% 21.3 1,055.3 Unico American Corp. 66.8% 9.7 54.9 United Online Inc. -44.9% 9.6 575.0 Valueclick Inc. 4.5% 31.7 964.1 Vitesse Semiconductor Corp. -59.7% NA 509.5 Walt Disney Co. 10.7% 25.2 56,650.9 Worldwide Restaurant Concepts Inc. 54.8% 55.9 138.9 Zenith National Insurance Corp. (H) 31.8% 13.9 1,090.6 MARKET SUMMARY MOST ACTIVE STOCKS TOP 10 STOCKS VOLUME Amgen Inc. 80,919,117 Walt Disney Co. 56,879,100 Vitesse Semiconductor Corp. 35,492,198 Countrywide Financial Corp. 34,134,000 Ryland Group Inc. 11,386,500 Valueclick Inc. 11,085,250 Tekelec 9,575,818 Cheesecake Factory/The 7,757,612 Health Net Inc. 7,626,600 United Online Inc. 7,593,470 WEEKLY SUMMARY Advances 12 Declines 38 Unchanged 0 New Highs 4 New Lows 7 NOTES ON STOCK TABLES Tables based on April 7-21, 2005 (H) Stock hit new 52-week high (L) Stock hit new 52-week low (S) Stock split during week MARKET INDEXES April 21 April 7 Point Index Close Close Change Dow Jones Industrial 10218.60 10546.32 -327.72 NASDAQ 1962.41 2018.79 -56.38 S&P 500 1159.95 1191.14 -31.19 Valley 50 107.46 111.04 -3.58 2-Wk 52-Wk YTD Index % Chg. % Chg. % Chg. Dow Jones Industrial -3.1% -5.2% -1.0% NASDAQ -2.8% -9.8% -1.7% S&P 500 -2.6% -4.3% 3.2% Valley 50 -3.2% -2.6% -0.8%

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