Inovio Pharmaceuticals (INO) shares fell roughly 51% over the last 30 days, sliding from about $1.22 to near $0.60. The decline has centered on the FDA's review of INO-3107, the company's lead DNA-medicine candidate for recurrent respiratory papillomatosis (RRP), with a PDUFA target date of October 30, 2026.

FFAI fell -14.29% during regular market hours, sliding from a prior close of $0.49 to roughly $0.42. The drop extends a selloff after Faraday Future completed the transfer of its robotics business — its main revenue-generating growth asset — to related listed entity FFR, leaving FFAI without that core segment.

HCAI shares have fallen roughly 75% over the last 30 days, from a split-adjusted close near $10.69 in late September to the low single digits. The dominant catalyst was a 1-for-20 reverse stock split effective October 23, 2026, designed to restore compliance with Nasdaq's $1.00 minimum bid price requirement.

MKDWELL Tech (MKDW) shares fell roughly 88% over the last 30 days, sliding from about $1.53 to under $0.20 as of late October 2026. The decline accelerated after the company disclosed a negative shareholders' equity position in its first-half 2026 results reported on September 8, 2026.

North European Oil Royalty Trust (NRT) units declined roughly 18% over the trailing 30 days, falling from a closing price of about $8.50 on September 30, 2026, to approximately $6.97. The sell-off followed the announcement of a reduced fourth-quarter fiscal 2026 distribution of $0.20 per unit, down from $0.26 in the prior quarter and $0.31 a year earlier.

Inovio Pharmaceuticals (INO) shares have declined roughly 50% over the past 30 days, sliding from a $1.22 close on September 30, 2026, to about $0.61 in late-October trading. The selloff centers on the U.S. Food and Drug Administration's review of lead DNA-medicine candidate INO-3107, whose Prescription Drug User Fee Act (PDUFA) target action date fell on October 30, 2026.

MTNB shares traded near $1.51 in late October 2026, down roughly 41% from the September 30, 2026 closing price of $2.55. The decline followed a 1-for-15 reverse stock split effective September 28, 2026, a move that has been accompanied by elevated volatility and thin liquidity.

AgEagle Aerial Systems (UAVS) shares fell roughly 51% over the last 30 days, sliding from about $0.96 on September 30, 2026, to around $0.47 in late-October trading. The decline extended a broader pullback: over the trailing three months, the stock is down approximately 35%, with most of that loss concentrated in October.

Tecogen (TGEN) shares have declined roughly 30% over the trailing 30 days, extending a multi-month downtrend that has carried the stock from about $3.20 to around $1.98. The selling pressure follows second-quarter results in which total revenue fell 21% year over year and product-segment revenue dropped 64%.

NIVF dropped -15.79% to $0.96 from a prior close of $1.14, with the decline occurring during the regular trading session. No verified news or fundamental catalyst found. Consistent with continued speculative selling in a heavily diluted micro-cap that executed a 1-for-8 reverse split on Oct. 23 and filed a $100M shelf registration on Oct. 27.

STEX dropped -12.33% during regular market hours, sliding from a $0.4396 prior close to $0.3854. No verified news or fundamental catalyst found — the decline is consistent with speculative, low-liquidity micro-cap trading in a stock that routinely posts double-digit daily swings.

PodcastOne (PODC) dropped from its prior close of $2.59 to $2.38, a decline of -8.11%, during regular trading hours near the close. No verified news or fundamental catalyst found for today's move — it looks like profit-taking after the stock's acquisition-interest-driven rally, consistent with its roughly 4% typical daily swing.

EON Resources (EONR) shares fell roughly 39% over the last 30 days, sliding from about $0.51 to approximately $0.31 as of the latest available trading price. The decline pushed the micro-cap energy producer toward the lower end of its 52-week range of $0.34 to $1.58.

HUHU shares fell roughly 90% over the trailing 30 days, sliding from a $5.29 close on September 30 to about $0.51 by late October. The decline extends a broader multi-month slide: the stock is down roughly 92% over the last quarter from around $6.33 in late July.

YMAT shares have risen roughly 28% over the past 30 days, from about $1.41 to around $1.81, but the climb has been marked by extreme day-to-day volatility. The move reflects J-Star's announced pivot into U.S. drone and unmanned aerial vehicle (UAV) manufacturing and a significantly strengthened balance sheet.

Plutus Financial Group (PLUT) shares have declined roughly 41% over the last 30 days, falling from about $2.35 to near $1.39 in late October 2026. The drop followed an initial post-announcement rally after a fourth extension of the company's pending merger with Choco Up Group Holdings Limited.

Goodvision AI Holding (ALIS) shares fell roughly 17% over the last 30 days, declining from a closing price of about $10.33 to around $8.55. The decline followed a burst of post-merger volatility tied to the company's completed business combination with Goodvision AI Inc. and its October 2026 name change from Calisa Acquisition Corp.

AMC Robotics shares fell roughly 37.7% over the trailing 30 days, sliding from a $3.32 close to around $2.07 on the latest available price data. The decline reflects sustained selling pressure and investor concerns over equity dilution tied to a standby equity purchase agreement (SEPA) of up to $50 million.

Dragonfly Energy (DFLI) shares have fallen roughly 71% over the past 30 days, dropping from about $6.81 to under $2.00 amid a broad deterioration in investor confidence. The decline reflects mounting balance-sheet stress, including a lender covenant waiver and deferred preferred dividend payments disclosed in early October 2026.

Quantum-Si (QSI) shares climbed roughly 37% over the trailing 30 days, rising from a close near $1.07 in late September to about $1.47 in late October. The move was driven primarily by development milestones for its next-generation Proteus single-molecule protein sequencing platform.