Several small-cap biotech and pharma names posted notable gains in Tuesday's after-hours trading session, with Nutex Health standing out as the most significant mover following its quarterly results.Nutex Health Inc. (NUTX) surged in extended trading, climbing 20.97% to $120.00 after reporting third-quarter results. The company posted a net loss of$17.7 million for the three months ended June 30, 2025, compared to a net loss of just $0.4 million in the same period last year. Despite the widened loss, reve ...