● WETO plunged 37.09% to $20.76 on August 19, 2026, extending a multi-session unwind from an intraday high near $53.59 just days earlier.
● WYFI crashed 21.02% to $21.38 on August 19, 2026, after pricing an upsized $270 million offering of convertible senior notes due 2032.
● VICR sank 10.34% to $217.35 on August 19, 2026, wiping out roughly $1.1 billion ofMarket Valuewith no fresh company-specific news identified.
● SGLY slid 14.61% to $2.98 on August 19, 2026, extending a drawdown of more than 65% from an intraday high near $8.65 hit on August 10.
● QMLS sank 12.31% to $5.91 on August 19, 2026, extending a decline that has taken shares about 84% below their post-listing peak just five weeks after itsNasdaqdebut.
● NBIS crashed 9.87% to $223.90 on August 19, 2026, onVolumeseveral times normal, after the company announced a proposed $4.5 billion convertible senior notes offering.
● EXYN slid 12.17% to $2.02 on August 19, 2026, after reporting Q2 2026Revenuethat fell to about $950,000 from roughly $1.4 million a year earlier.
● FABC dropped 9.54% to $2.75 on August 19, 2026, with no single confirmed news event identified as the trigger for this specific session.
● AEHR fell 12.41% to $107.96 on August 19, 2026, erasing about $500 million inMarket Valuewhile the stock remains up more than 500% year-to-date.
● AIAI dropped 11.44% to $5.23 on August 19, 2026, erasing most of a 17.76% rally from the prior session sparked by the CEO's firstShareholderletter as a public company.