Arqit Quantum is trading 6.3% down at $14.90 amid preliminary fiscal 2026 revenue of $975,000 to $1 million. - Preliminary second-half revenue was $355,000 to $380,000, down from $463,000 a year earlier, after revenue recognition ended under a material Middle East customer contract. - The results were announced before October 16; an October 14 Seeking Alpha downgrade to Sell cited the preliminary revenue miss, indicating ongoing pressure rather than a new October 16 catalyst.