Cabaletta Bio is trading 5.6% down at $2.10 as a surge in Treasury yields and oil prices intensified risk-off selling on September 24, 2026. - The 10-year Treasury yield surged to 5.14%, a 19-year high, while Brent crude remained above $100, raising inflation and higher-for-longer interest-rate concerns. - Biotech stocks also declined, with XBI down 2.04%; no company-specific announcement was identified in current coverage.