🟢 Mercury Systems is trading 4.2% up today as aerospace and defense stocks rally

Mercury Systems is trading 4.2% up at $109.79 as investors bid up aerospace and defense names in a strong risk-on session.

• The move is primarily driven by sector-wide momentum, with defense stocks and the ITA ETF rallying after a major Northrop Grumman missile production deal.
• Positive sentiment is further supported by an upbeat industry outlook, despite a lack of company-specific news or earnings for Mercury Systems today, August 4, 2026.