Krystal Biotech is trading at $387.38 (+6.36%) in pre-market, continuing a multi-day rally despite the absence of new company-specific announcements.

  • The stock's current move builds on recent strength, following gains of 3.53% on July 28 and 4.96% on July 27.
  • No fundamental catalysts, such as FDA updates or earnings reports, have been identified to explain the pre-market gap up.
  • The price action suggests momentum-driven trading amid a modestly positive broader market sentiment.