Nasdaq

The S&P 500 closed out its worst quarter in four years, declining roughly 7% in Q1 2026 as the Iran conflict and Hormuz blockade rattled markets for the third consecutive month. Oil prices above $100/barrel and stagflation fears dominated despite a brief Tuesday rally on de-escalation hopes.

Xanadu Quantum completes business combination, debuting on Nasdaq at $3.1 billion valuation as the world's first public pure-play photonic quantum computing company, targeting one million physical qubits by 2033.

Wall Street has closed its fifth consecutive losing week, the longest sustained decline since the Iran war began, as the Dow, S&P 500, and Nasdaq all hit year lows amid mounting inflation concerns.