During the night session on September 18, the optical communications sector showed a broad-based rally, with all mainstream constituents closing higher. As of 9:45 PM ET, the night session gains for the 8 mainstream stocks ranged from 1.33% to 2.59%, demonstrating solid overall performance. Night session trading activity moderated compared to the post-market period, but buying sentiment remained positive, with most stocks consolidating near intraday highs, reflecting investor confidence in the long-term growth logic of the optical communications industry.

Individually, LITE.US rose 2.59% in the night session to $916.79, leading the mainstream constituents with night session volume of approximately 32,600 shares and turnover of about $29.61 million; AAOI.US gained 2.44% to $100.45, with night session turnover of about $8.59 million; NOK.US advanced 2.08% to $10.82, with night session volume reaching 413,300 shares; AXTI.US rose 2.04% to $69.13. COHR.US gained 1.98% to $301.83, GLW.US rose 1.89% to $150.59, MRVL.US advanced 1.76% to $244.99, and POET.US gained 1.33% to $7.61.

Derivative stocks showed stronger performance, with LITX.US up 4.75% to $30.43, AAOX.US gaining 4.14% to $9.56, and MVLL.US rising 3.73% to $31.19. LITZ.US, due to missing night session data, used post-market quotes and rose 0.61% to $6.64. Overall, the optical communications sector maintained its post-market strength during the night session, with investors remaining optimistic about industry prospects. The sector is expected to continue attracting attention after tomorrow's open.

Sector constituents