Stocks of companies doing significant business with Huawei fell Monday.

Shares are falling in reaction to Trump administration efforts to prevent companies from doing business with the Chinese telecom giant.

Among notable Huawei-related stocks, three rose while fifteen fell.

Advancers

NeoPhotonics (NPTN - Get Report) rose 28.5 cents, or 7.42%, to $4.13.

II-VI shares (iiVI) rose 51 cents, or 1.56%, to $33.18.

Finisar shares (FNSR) rose 4.5 cents, or 0.21%, to $21.61.

Decliners

Keysight Technologies shares (KEYS - Get Report) fell $7.18, or 8.77%, to $74.68.

Broadcom shares (AVGO - Get Report) fell $16.38, or 5.65%, to $273.51.

QUALCOMM shares (QCOM - Get Report) fell $4.26, or 5.23%, to $77.24.