ATT TBB Preferred Stock Slips Slightly as Yield Hunters Weigh Stability Hercules Capital HTGC Holds Steady Near Support as BDC Sector Shows Modest Gains Viking Therapeutics VKTX Edges Higher as Shares Test Key Resistance Level Hercules Capital HTGC Holds Steady Near Support as BDC Sector Shows Modest Gains Theriva Biologics TOVX Slides 615 as Stock Approaches Key Support at 028 Federal Signal FSS Slips 26 as Stock Tests Key Support Levels Callan JMB Inc CJMB Slips 433 as Shares Test Key Support Near 069 Xenon Pharmaceuticals XENE Holds Steady Near Resistance as Trading Volume Remains Light CitroTech Inc CITR Holds Steady Near Key Support Amid Low Volatility