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 May 20 closed at 6.36, up 1.1 percent compared with the prior week. Since Jan. 1, 2009, when we began tracking these companies, the index has risen 43.6 percent.
The Minnesota index for the week ended May 20 closed at 4.42, down 1.1 percent compared with the prior week. Since Jan. 1, 2009, when we began tracking these companies, the index has risen 49.7 percent.
The California index for the week ended May 20 closed at 10.18, down 1.1 percent compared with the prior week. Since Jan. 1, 2009, when we began tracking these companies, the index has risen 139.9 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 May 20:
The 10 biggest gainers:
- Interleukin Genetics Inc.: 11.43% (open $0.35; close $0.39)
- Pressure BioSciences Inc.: 7.34% (open $1.09; close $1.17)
- Oculus Innovative Sciences Inc. (Micromed): 5.98% (open $1.84; close $1.95)
- Cambridge Heart Inc.: 5.00% (open $0.20; close $0.21)
- Imaging3 Inc. : 4.94% (open $0.08; close $0.09)
- Harvard Bioscience Inc.: 4.05% (open $4.94; close $5.14)
- Enteromedics Inc. : 3.60% (open $2.50; close $2.59)
- NeuroMetrix Inc.: 3.37% (open $0.45; close $0.46)
- HepaLife Technologies: 2.74% (open $0.15; close $0.15)
- Abiomed Inc.: 2.45% (open $17.52; close $17.95)
Sources: Google Finance and Yahoo! Finance.
And the 10 biggest losers:
- Acusphere Inc.: -10.00% (open $0.09; close $0.08)
- Vision-Sciences Inc. : -7.98% (open $2.38; close $2.19)
- Quick-Med Technologies Inc.: -4.29% (open $0.70; close $0.67)
- American Superconductor Corp.: -3.27% (open $10.69; close $10.34)
- Pro-Dex Inc. : -2.88% (open $3.12; close $3.03)
- American Shared Hospital Services : -2.78% (open $3.24; close $3.15)
- Accuray Inc.: -2.24% (open $7.58; close $7.41)
- Iridex Corp. : -1.86% (open $3.77; close $3.70)
- St Jude Medical Inc. (St Jude Medical) : -1.85% (open $51.78; close $50.82)
- Iris International Inc. : -1.85% (open $9.21; close $9.04)
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.