Mercury Systems is trading at $107.44 (10.6%) up today, driven by improving risk appetite and higher U.S. index futures rather than a clear company-specific catalyst.

  • The stock saw a sharp move from its $97.10 close on July 31 despite a lack of fresh earnings, M&A, or contract news.
  • No new analyst calls have surfaced this morning, suggesting the jump is tied to broader market sentiment and positive momentum in U.S. index futures.