财联社3月31日电，周二，美股光通信、存储板块走高，截至发稿，Lumen Technologies(LUMN.US)涨超5%、POET Technologies(POET.US)涨超7.4%，Lumentum(LITE.US)涨超3.7%，Ciena(CIEN.US)涨超4.4%，AsteraLabs(ALAB.US)涨超4%，Coherent(COHR.US)涨超3%。闪迪(SNDK.US)涨超5.4%，美光科技(MU.US)涨0.8%，希捷科技(STX.US)涨超5%。