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BlockBeats News, July 21st, according to BIT (bit.com) market data, pre-market trading of U.S. stocks saw a general rise in fiber optic concept stocks, including:
PureFunds ISE Cyber Security ETF (HACK) rose by 3.81%;
Marvell Technology (MRVL) rose by 6.24%;
AAOI (Applied Optoelectronics) rose by 5.07%;
LITE (Lumentum Holdings) rose by 5.15%;
COHR (Coherent Corp.) rose by 5.23%;
CIEN (Ciena Corporation) rose by 3.94%.
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