Our Weekly Checkup takes the temperature of the medical device industry’s three largest U.S. clusters: Massachusetts, California and Minnesota.
The MassDevice Indices are weighted according to market capitalization, based on the number of shares outstanding for each company and each Friday’s closing share price.
The Massachusetts index for the week ended April 30 closed at 6.76, up 3.1 percent compared with the prior week. Since Jan. 1, 2009, when we began tracking these companies, the index has risen 52.7 percent.
The Minnesota index for the week ended April 30 closed at 3.95, down 0.6 percent compared with the prior week. Since Jan. 1, 2009, when we began tracking these companies, the index has risen 3.95 percent.
The California index for the week ended April 30 closed at 10.00, up 0.9 percent compared with the prior week. Since Jan. 1, 2009, when we began tracking these companies, the index has risen 135.6 percent.
We also create a composite index of the three regional indices and compare it with four other indices (the S&P 500, the Dow Jones Industrial Average, the Dow’s IHI medical devices index and the NASDAQ exchange):
The Weekly Checkup also compares Monday morning’s opening share prices with their value when the markets close Friday afternoon to calculate the biggest gainers and losers.
Here are the 20 firms that posted the biggest share price gains and losses during the week ended April 30:
The 10 biggest gainers:
- ATS Medical Inc.: 51.3% (open $2.63; close $3.98)
- Thoratec Corp.: 29.7% (open $34.50; close $44.76)
- Uroplasty Inc.: 25.2% (open $3.05; close $3.82)
- Osmetech: 24.7% (open $1.62; close $2.02)
- Pro-Dex Inc.: 22.4% (open $0.58; close $0.71)
- Ev3 Inc.: 14.4% (open $16.72; close $19.13)
- SeraCare Life Sciences: 13.7% (open $4.31; close $4.90)
- HeartWare International Inc.: 11.0% (open $50.66; close $56.24)
- Natus Medical Inc.: 10.1% (open $15.47; close $17.04)
- Hansen Medical Inc.: 8.9% (open $2.35; close $2.56)
Sources: Google Finance and Yahoo! Finance.
And the 10 biggest losers:
- Biopure Corp.: -50.0% (open $0.04; close $0.02)
- Digirad Corp.: -25.3% (open $2.96; close $2.21)
- Athenahealth Inc.: -21.6% (open $37.02; close $29.02)
- Cambridge Heart Inc.: -18.0% (open $0.50; close $0.41)
- iCad Inc.: -15.0% (open $1.73; close $1.47)
- MKS Instruments Inc.: -8.4% (open $24.75; close $22.68)
- Cardica Inc.: -8.0% (open $2.61; close $2.40)
- American Superconductor Corp.: -7.6% (open $31.59; close $29.18)
- Interleukin Genetics Inc.: -7.4% (open $0.68; close $0.63)
- Insulet Corp.: -7.3% (open $14.90; close $13.81)
Sources: Google Finance and Yahoo! Finance.
Disclaimer: MassDevice.com’s rankings do not reflect an opinion of companies’ health, prospects or viability. They are intended to provide a snapshot of publicly traded medical device companies and in no way constitute a recommendation to buy or sell any particular security, portfolio of securities, transaction or investment strategy.
