Reports
Pre-Close · March 21, 2026
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Markets retreated across the board, with SPY down 1.70%, QQQ down 1.85%, and leveraged tech ETFs TQQQ and SOXL plummeting 5.71% and 6.76% respectively. The day's carnage was anchored by Super Micro Computer (SMCI), which collapsed 33.3% after federal prosecutors indicted its co-founder for allegedly smuggling AI servers to China, triggering export control violations and a governance crisis. This single event rippled through semiconductors and storage—WDC dropped 7.5%, STX fell 5.4%, and INTC declined 5.0%—while unrelated sectors like utilities (CEG, VST, NRG down 10.9%, 12.8%, 9.7% respectively) sold off on JPMorgan downgrades and geopolitical headwinds from Middle East tensions. Profit-taking also hit recent winners like SNDK (down 8.1% after a 1,200% annual rally) and IRM (down 5.1% following a 29.3% three-month run).

Recommendation

Avoid chasing beaten-down semiconductor and storage names until export control clarity emerges and SMCI's governance fallout stabilizes—the contagion risk remains acute. Utilities are oversold on downgrades (MOS, CEG particularly vulnerable); selective value exposure may work, but wait for stabilization. Consider rotating into defensives or high-quality dividend names while volatility persists; the broad selloff has likely created pockets of opportunity in quality tech names that aren't tied to supply chain or compliance risks, but timing matters given today's negative momentum.

Indices & ETFs
SPY$648.57
▼ 1.70%
7D ▼ 2.1%30D ▼ 5.5%6M ▼ 2.3%
QQQ$582.06
▼ 1.85%
7D ▼ 2.0%30D ▼ 3.9%6M ▼ 2.9%
TQQQ$43.08
▼ 5.71%
7D ▼ 6.2%30D ▼ 12.8%6M ▼ 16.3%
SOXL$51.14
▼ 6.76%
7D ▲ 0.8%30D ▼ 22.9%6M ▲ 54.9%
SPX$6506.48
▼ 1.51%
7D ▼ 1.9%30D ▼ 5.4%6M ▼ 2.4%
Top Movers14 movers
SMCISuper Micro Computer, Inc.▼ 33.3%
Super Micro co-founder indicted for allegedly smuggling AI servers to China, triggering export control violations and governance crisis.
Price
$30.79 → $20.53
Mkt Cap
$12.3B
P/E
15.0x
7D
▼ 33.2%
30D
▼ 30.9%
6M
▼ 55.2%
VSTVistra Corp.▼ 12.8%
Investors sold VST positions after missing the ex-dividend cutoff date, triggering a post-dividend selloff.
Price
$167.37 → $146.02
Mkt Cap
$49.5B
P/E
67.0x
7D
▼ 8.1%
30D
▼ 14.4%
6M
▼ 30.9%
CEGConstellation Energy Corporation▼ 10.9%
JPMorgan cut CEG's price target, dampening investor sentiment amid the $5 billion PJM asset sale announcement.
Price
$316.47 → $281.99
Mkt Cap
$102.1B
P/E
38.2x
7D
▼ 6.6%
30D
▼ 4.1%
6M
▼ 14.8%
MOSThe Mosaic Company▼ 10.0%
Bank of America downgraded Mosaic to Neutral from Buy, citing margin pressures in the phosphate fertilizer market and lowering its price target.
Price
$26.20 → $23.59
Mkt Cap
$7.5B
P/E
13.9x
7D
▼ 19.5%
30D
▼ 19.9%
6M
▼ 30.6%
NRGNRG Energy, Inc.▼ 9.7%
NRG Energy fell 9.7% likely due to broader market headwinds from Middle East tensions elevating oil prices and risk concerns, despite the company's AI PowerOS deployment announcement.
Price
$161.40 → $145.80
Mkt Cap
$31.0B
P/E
36.4x
7D
▼ 4.6%
30D
▼ 14.8%
6M
▼ 11.3%
SNDKSandisk Corporation▼ 8.1%
Sandisk declined 8.1% likely due to profit-taking after a 25% weekly surge and 1,200% annual gains, despite strong AI storage demand fundamentals.
Price
$772.09 → $709.71
Mkt Cap
$104.8B
P/E
N/A
7D
▲ 7.3%
30D
▲ 18.2%
6M
▲ 594.4%
WDCWestern Digital Corporation▼ 7.5%
WDC fell 7.5% as federal prosecutors charged Super Micro Computer's co-founder with AI chip smuggling to China, triggering broad semiconductor sector selloff.
Price
$316.93 → $293.10
Mkt Cap
$100.2B
P/E
27.7x
7D
▲ 7.6%
30D
▼ 1.2%
6M
▲ 174.9%
CIENCiena Corporation▼ 7.0%
Ciena declined 7.0% likely due to broader market sell-off in tech stocks, despite positive quantum security and service provider revenue developments.
Price
$412.58 → $383.89
Mkt Cap
$54.3B
P/E
244.5x
7D
▲ 13.8%
30D
▲ 23.5%
6M
▲ 177.4%
GLWCorning Incorporated▼ 6.4%
GLW declined 6.4% amid Middle East geopolitical tensions raising inflation and economic slowdown concerns, offsetting positive AI data center partnership announcements.
Price
$133.08 → $124.58
Mkt Cap
$106.9B
P/E
68.1x
7D
▼ 3.5%
30D
▼ 5.6%
6M
▲ 56.6%
FIXComfort Systems USA, Inc.▼ 6.1%
Geopolitical tensions in the Middle East sparked investor concerns about inflation and economic slowdown, driving today's 6.1% decline in FIX.
Price
$1444.60 → $1356.75
Mkt Cap
$47.9B
P/E
46.9x
7D
▼ 0.6%
30D
▲ 2.8%
6M
▲ 70.1%
INSMInsmed Incorporated▼ 5.6%
Insmed declined 5.6% despite Brensocatib approval and modest price target increase, suggesting market disappointment with commercial launch trajectory or competitive concerns.
Price
$144.00 → $136.00
Mkt Cap
$29.3B
P/E
N/A
7D
▼ 2.5%
30D
▼ 10.0%
6M
▼ 6.1%
STXSeagate Technology Holdings plc▼ 5.4%
# STX Down 5.4% Due to Super Micro Computer Smuggling Charges Federal prosecutors' charges against Super Micro Computer co-founder for AI chip smuggling to China spooked investors in related semiconductor/storage stocks including Seagate.
Price
$434.60 → $411.23
Mkt Cap
$92.1B
P/E
46.5x
7D
▲ 7.2%
30D
▼ 3.0%
6M
▲ 85.9%
IRMIron Mountain Incorporated▼ 5.1%
Iron Mountain likely declined 5.1% today due to market profit-taking following its 29.3% three-month rally, despite positive data center expansion fundamentals.
Price
$104.94 → $99.61
Mkt Cap
$29.5B
P/E
203.3x
7D
▼ 6.8%
30D
▼ 5.9%
6M
▼ 0.3%
INTCIntel Corporation▼ 5.0%
Intel declined 5% as investors rotated toward higher-growth semiconductor and AI stocks despite broad semiconductor sector optimism.
Price
$46.18 → $43.87
Mkt Cap
$219.1B
P/E
N/A
7D
▼ 4.2%
30D
▼ 3.5%
6M
▲ 48.3%
All Reports
Updated 11:01 PM · Mar 21, 2026