US Stock Market Move | Optical communication and storage sector rise, SanDisk (SNDK.US) up over 5.4%

22:12 31/03/2026

U.S. stock market saw gains in the optics, communication, and storage sectors.

On Tuesday, the US stocks in the optical communication and storage sectors rose. As of the time of writing, Lumen Technologies (LUMN.US) rose over 5%, POET Technologies (POET.US) rose over 7.4%, Lumentum (LITE.US) rose over 3.7%, Ciena (CIEN.US) rose over 4.4%, Astera Labs (ALAB.US) rose over 4%, Coherent (COHR.US) rose over 3%. SanDisk (SNDK.US) rose over 5.4%, Micron Technology, Inc. (MU.US) rose 0.8%, Seagate Technology Holdings PLC (STX.US) rose over 5%.

Industrial: Market fluctuations intensify. How are various types of funds moving?

Chairman Zheng Jiachun increased his holding of CHOW TAI FOOK (01929) by 30,000 shares at a price of approximately HK$10.76 per share.

Chairman Pan Binze increases his holdings in TEXWINCA HOLD (00321) by 2.76 million shares at a price of approximately 1.21 Hong Kong dollars per share.

Industrial: Market fluctuations intensify. How are various types of funds moving?

Chairman Zheng Jiachun increased his holding of CHOW TAI FOOK (01929) by 30,000 shares at a price of approximately HK$10.76 per share.

Chairman Pan Binze increases his holdings in TEXWINCA HOLD (00321) by 2.76 million shares at a price of approximately 1.21 Hong Kong dollars per share.