ICON stock sinks nearly 40% after accounting probe pulls guidance; what investors watch next
New York, Feb 12, 2026, 12:05 EST — Regular session ICON plc shares dropped roughly 39% to $81.01 by midday Thursday after the contract research company revealed an internal accounting probe and postponed its annual results. The stock slid to a session low of $67.19 but climbed as high as $131.90, with around 14.6 million shares traded.