In the latest trading session, Siga Technologies Inc. (SIGA) closed at $5.74, marking a -0.35% move from the previous day. The stock's performance was behind the S&P 500's daily gain of 1.08%.

The most recent trading session ended with Siga Technologies Inc. (SIGA) standing at $5.51, reflecting a +0.55% shift from the previouse trading day's closing. The stock exceeded the S&P 500 ...