| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AKTS | Akoustis Technologies, Inc. | US | NASDAQ |
| LGL | LGL Group, Inc. (The) | US | AMEX |
| SITM | SiTime Corporation | US | NASDAQ |
| TEN | Tenneco Inc. | US | NYSE |
| 004770 | Sunny Elec | KR | KO |
| 002199 | Zhejiang East Crystal Electronic Co Ltd | CN | SHE |
| 603738 | Hubei TKD Crystal Electn | CN | SHG |
| 002976 | Suzhou Cheersson Precision Metal Fo | CN | SHE |
| 3221 | Tai-Saw Technology Co Ltd | TW | TWO |
| 6174 | Aker Technology Co Ltd | TW | TWO |
| 8182 | Harmony Electronics | TW | TWO |