IREN traded down -6.95% to $41.78 during regular trading versus the prior session's close of $44.90. The decline tracked a broad crypto selloff, with Bitcoin down -2.91% and Ethereum down -4.41% to multi-month lows, pressuring IREN's remaining mining-linked exposure.

CRDO was down -13.68% to $244.13 during Tuesday's regular session, versus Monday's close of $282.82. The drop came amid a broad optical/memory chip selloff; the PHLX Semiconductor Index fell roughly -5.6%, its worst session since early July.

SMTC dropped -13.13% to $133.97 during Tuesday's regular session as of 1:53 p.m. ET, versus Monday's close of $154.22, after premarket weakness accelerated intraday. The decline was a sharp reversal from Monday's +9.9% surge tied to the $62 million Compal cellular-module divestiture and Stifel's Buy reiteration, leaving the stock vulnerable to profit-taking.

KALU shares fell -12.95% to $161.48 in Tuesday's regular session, versus a prior close of $185.50. The decline followed Kaiser Aluminum's announcement that Fred Stephan, an Amcor veteran, will succeed Keith Harvey as president and CEO effective November 1, 2026.

AAOI is down -13.71% in regular trading, last at $133.66 versus Monday's close of $154.89. The drop is part of a broad optical-communications selloff; Fabrinet fell about -14% after its beat-and-record quarter was seen as already priced in, dragging AAOI and peers lower.

FORM traded down -12.15% to $121.38 as of 1:48 p.m. ET on Tuesday, versus a prior close of $138.16; the decline extended a gap-down open during regular trading. The primary catalyst was disclosure that CEO Mike Slessor sold 16,002 shares (~$2.10 million) on Aug. 14 under a pre-arranged Rule 10b5-1 plan, cutting his stake by about 3.2%.

BIDU is down -13.28% at $90.29 as of 1:48 p.m. ET, versus Monday's close of $104.12; the decline deepened during the regular session after premarket losses. Primary catalyst: Q2 earnings missed estimates—revenue fell -4% year over year to RMB31.33B vs RMB31.95B consensus, and adjusted EPS of RMB7.22 missed RMB9.84.

CBRS is down -14.42% during regular trading, sliding to about $215.65 after Monday's close at $251.98. The decline reverses Monday's +15.07% surge tied to reports linking Cerebras to OpenAI's GPT-5.6 Sol Ultrafast inference tier.

MXL is trading down -14.28% at $72.66 during the regular session as of roughly 1:45 PM ET, versus a prior close of $84.76. The move is part of a broad optical-communications and semiconductor selloff, with the sector down about -6.6% and peers also falling sharply.

AEHR is down -15.17% in regular trading Tuesday, falling to $123.52 from Monday's close of $145.61 as of early afternoon. The drop is a sharp profit-taking reversal after a vertical run: shares had more than doubled from late-July lows and hit a record $147.40 on Aug 14.

AXTI traded down -14.98% at $81.59 during Tuesday's regular session as of 1:43 p.m. ET, versus Monday's $95.97 close. The decline began with a -6.7% premarket dip and accelerated after the open.

VNET Group shares are down -17.17% to about $6.56 during regular trading Tuesday after gapping lower in premarket on Q2 results. Q2 revenue rose +14.2% Y/Y to RMB2.78B ($409M) and adjusted EBITDA grew +25.4%, but the GAAP net loss widened to RMB135.6M.

IPST is up +138.43% during Tuesday's regular session, last trading at $17.62 as of 11:07 a.m. ET, versus Monday's close of $7.39. The move follows a roughly -3.4% premarket dip and extends Monday's +235.89% low-float surge, with no conventional same-day press release driving the spike.

Profusa shares are up +233.11% to $15.09 in Tuesday regular trading as of 10:29 a.m. ET, versus Monday's close of $4.53. The move extends premarket and overnight gains after the company's 1-for-4 reverse stock split became effective, reducing shares outstanding from about 2.42 million to roughly 605,726.

WEAV shares climbed +31.83% to $7.29 during regular trading, versus a prior-session close of $5.53. The intraday surge followed Weave's announcement of a definitive agreement to be acquired by Francisco Partners.

AMLX is up +33.08% to $28.52 in regular trading as of 9:40 a.m. ET, versus a $21.43 prior-session close, after surging in Monday after-hours and premarket. Primary catalyst: Amylyx reported positive Phase 3 LUCIDITY topline results for avexitide in post-bariatric hypoglycemia, meeting the primary endpoint with a statistically significant 55% reduction in Level 2/3 hypoglycemic events versus placebo.

KLAR traded at $15.73 in early regular trading, down -19.37% from Monday's $19.51 close; the slide began premarket after Q2 results. Q2 beat estimates—revenue rose +27% to $1.04B and adjusted EPS of +$0.01 exceeded a -$0.05 loss consensus—but guidance drove the selloff.

Fabrinet (FN) is trading down -14.28% at $513.11 during the regular session, versus Monday's close of $598.58. The move follows fiscal Q4 results released after Monday's close; shares fell ~7% after-hours and extended losses in premarket trading.

Selected price target: $43, matching the highest published Wall Street analyst target for CNK in recent months. Current position: Cinemark shares recently traded near $37.50, just below the 52-week high of $38.98, leaving roughly 15% upside to the $43 target.

NIQ Global Intelligence shares rose 56.8% in the 30-day period ended August 17, 2026, climbing from $11.00 to $17.25. The move accelerated sharply after second-quarter 2026 results, when adjusted EPS of $0.27 beat a consensus estimate near $0.20.