Here are the top 10 best performing ADRs year-to-date (approx. % change)

1. Gentium – GENT – 169%
2. Mechtel Steel – MTL – 165%
3.Wimm-Bill-Dann Foods – WBD – 108%
4.Vimpel Communications – VIP – 88%
5. Acergy – ACGY – 87%
6. Aixtron – AIXG – 74%
7. ASM International – ASMI – 73%
8. Credit Suisse – CS – 61%
9. Mobile Telesystems – MBT – 59%
10. Flamel Technologies – FLML – 56%