Amy Ruixuan Jiang

Neurologist | exploring #Vertigo #Stroke #Cognition & #AI
Sketching medicine 🎨 | Debugging procrastination 🐢

[WOLF @WOLF_Financial]

This is how every stock in the S&P 500 has performed so far in 2026

[Koyfin @KoyfinCharts]

The best performing stocks in the Nasdaq 100 this year 👇

[TheNewPhysics @CharlesMullins2]

🚨 BREAKING:
Quantum reality doesn’t choose a state.
It holds all of them at once.
This is called a Bloch Sphere
and every possible state of a quantum system lives on its surface.
Spin up.
Spin down.
Or anything in between.
That “in between” is the wild part.
It means quantum systems don’t just exist in one state…
they exist as superpositions of possibilities.
So instead of flipping between 0 and 1…
They exist as both.
At the same time.

That means reality, at its core,
isn’t definite it’s probabilistic.
This is what quantum computing is built on.
Not faster bits…
but entirely different rules.

Follow me this is where physics stops being intuitive.

[Amy Ruixuan Jiang @RXJiang]

@WorldAndScience this is like looking at molecules...

[World and Science @WorldAndScience]

Fascinating: A selection of the multi-planet systems discovered in the Milky Way galaxy by the Kepler Space Telescope!

(Credit: Ethan Kruse/NASA Goddard)

[zerohedge @zerohedge]

Private Credit redemption requests

[TrendSpider @TrendSpider]

It's been a tough year so far for investors.
🎯 https://t.co/zKus1lfo68

[Lea Alhilali, MD @teachplaygrub]

Anyone can see the bright spot on diffusion—what sets you apart is if you can tell them why it’s there!

Can you tell a stroke’s etiology from its appearance on MRI?

Main stroke types:

Artery to artery embolism
—Vulnerable plaque ruptures & causes clot formation
—Occludes the artery & distal blood flow
—Makes a wedge shape

Distal hypoperfusion:
—At the border zones
—Remember borderzones almost look like a fancy letter H for Hypoperfusion = two vertical lines (ant, internal watershed) that have curls at each end (ant & post external watersheds)

Vasculitis
—Inflammation ofvessel wall
—Idiopathic, autoimmune, or infectious
—Remember: Vascu-LIGHT-us = tons of little regions LIGHT up on DWI
—Remember Vascu-LITE-us = usually in LITE vessels or small vessel territories

Impingement on perforators:
—Large vessel plaque covers opening of small perforator in its wall
—Perforators affect the Ps = pons, putamen (lenticulostriate)

Small vessel dz
—Many different pathologies that cause occlusion of small, unnamed vessels
—Remember: Small & subcortical both start w/—tend to be subcortical

Cardioembolic
—Emboli from heart stasis or vegetations
—Remember: Emboli & everywhere both start w/E = emboli go everywhere

So now you know how different etiologies have different distributions on MRI.

Remember, catching a stroke on DWI isn’t the end of your job—it’s the beginning!

[Alphatica @alphaticaio]

Two strikes on Iran. Two completely different institutional playbooks.

We ran our flow scanner on every SPDR sector ETF for the 30 days before the June 2025 strikes — then compared it to the 30 days before this morning's Operation Epic Fury.

The rotation pattern predicted the TYPE of conflict both times.

JUNE 2025 — THE PRECISION STRIKE PLAYBOOK

Before June 13:
• $XLK (Tech): 72% ACCUM — +$779M institutional. The #1 accumulation target.
• $XLY (Consumer Disc): 62% BULL — +$317M
• $XLU (Utilities): 63% BULL — +$542M

But they were SELLING:
• $XLE (Energy): 42% BEAR — Institutions dumped −$407M while retail absorbed +$2.4B
• $XLF (Financials): 47% LEAN↓ — −$574M institutional

The thesis: precision strike on nuclear sites, brief oil spike, V-shaped recovery. Buy tech for the bounce.

After the June strikes? XLK surged to 69% BULL. $XLRE hit 80% ACCUM. The "it's over" trade worked.

June was 12 days and done.

FEBRUARY 2026 — THE WAR PLAYBOOK

Before this morning:

• $BA (Boeing): 67% BULL — +$557M over 30D. Bombers, tankers, fighter jets.
• $NOC (Northrop): 74% ACCUM — Stealth bombers, long-range strike.
• $LDOS (Leidos): SURGE from 46% → 60% — C4ISR, intelligence infra.
• $BWXT: 60% BULL — Nuclear propulsion for carriers/subs.

They SOLD:

• $PLTR: −$230M institutional while retail bought +$249M. Biggest handoff in the dataset.
• $LMT / $RTX: Both BEAR (34%, 36%). Already-extended from June. Rotated out.
• Banks: Collapsed from 54% → 41%. Classic risk-off.

The thesis: sustained operations, not a one-off. Buy weapons platforms, not tech.

Trump said "weeks-long sustained operations" on Feb 14. The flow shifted weeks before that.

THE PATTERN

In June, smart money bought TECH and sold ENERGY — betting on a quick strike and a bounce.

In February, smart money bought BOMBERS and sold BANKS — betting on a prolonged war.

Same behavior: institutional capital repositioned weeks before the first missile.

Different rotation: the WHERE they moved money predicted the WHAT.

June playbook = buy the dip.
February playbook = buy the war.

The rotation pattern correctly anticipated the type of conflict both times. The money always moves first.

@alphaticaio

[Critical Care Reviews @CritCareReviews]

2026 Guideline for the Early Management of Patients With Acute Ischemic Stroke: A Guideline From the American Heart Association/American Stroke Association

CCR Journal Watch 
https://t.co/Sp06oA6IDG

[Astronomy Vibes @AstronomyVibes]

🚨 NASA has successfully captured the sound of deep space — and it’s absolutely mind-blowing 🤯

[Sabha Ahmed @SabhaAhmed03]

As neuroradiologists, we spend a lifetime mastering arteries.

Yet it is often the veins—quiet, adaptive, overlooked—that decide the outcome.

Launching my neuroradiology education series this month, starting with developmental venous anomalies.

#Neuroradiology #NeuroTwitter

[Curiosity @CuriosityonX]

The solar system doesn't just spin in a flat circle.

Your science textbooks really failed to mention that we are basically traveling in a massive DNA strand across the universe. Visualizing it like this is absolutely wild. 🧬🚀

[Science girl @sciencegirl]

Milky Way is traveling through space at 600 kilometers per second, oscillating slightly, as if it were flapping its wings through the cosmos.

[ₕₐₘₚₜₒₙ @hamptonism]

This is who you’re arguing against online:

[allen institute @AllenInstitute]

The fireworks in your mind. 🧠✨

This sparkling video shows the neurotransmitter glutamate being released into synapses, made possible by an indicator developed by @abhi_aggarwal1, @PodgorskiLab, and team.

#HappyNewYear #NYE

[Global Statistics @Globalstats11]

💰 Top 50 Assets in the World

1. 🪙 Gold - $30.120 Trillion
2. 🇺🇸 NVIDIA - $4.540 Trillion
3. 🇺🇸 Apple - $4.034 Trillion
4. 🥈 Silver - $3.995 Trillion
5. 🇺🇸 Alphabet (Google) - $3.788 Trillion
6. 🇺🇸 Microsoft - $3.594 Trillion
7. 🇺🇸 Amazon - $2.467 Trillion
8. ₿ Bitcoin - $1.747 Trillion
9. 🇺🇸 Meta Platforms - $1.663 Trillion
10. 🇺🇸 Broadcom - $1.640 Trillion
11. 🇹🇼 TSMC - $1.576 Trillion
12. 🇸🇦 Saudi Aramco - $1.532 Trillion
13. 🇺🇸 Tesla - $1.495 Trillion
14. 🇺🇸 Berkshire Hathaway - $1.084 Trillion
15. 🇺🇸 Eli Lilly - $963.40 Billion
16. 🇺🇸 Walmart - $888.25 Billion
17. 🇺🇸 JPMorgan Chase - $886.02 Billion
18. 🇺🇸 Vanguard S&P 500 ETF - $821.99 Billion
19. 🇺🇸 iShares Core S&P 500 ETF - $760.31 Billion
20. 🇺🇸 SPDR S&P 500 ETF - $707.78 Billion
21. 🇨🇳 Tencent - $691.76 Billion
22. 🇺🇸 Visa - $676.83 Billion
23. 🇺🇸 Vanguard Total Stock Market ETF - $565.59 Billion
24. 🇺🇸 Oracle - $560.00 Billion
25. 🇰🇷 Samsung - $556.90 Billion
26. 🪙 Platinum - $517.50 Billion
27. 🇺🇸 Mastercard - $516.08 Billion
28. 🇺🇸 Exxon Mobil - $513.03 Billion
29. 🇺🇸 Johnson & Johnson - $498.60 Billion
30. 🇺🇸 Palantir - $423.65 Billion
31. 🇳🇱 ASML - $415.26 Billion
32. 🇺🇸 Bank of America - $407.38 Billion
33. 🇺🇸 Invesco QQQ Trust - $405.16 Billion
34. 🇺🇸 AbbVie - $403.82 Billion
35. 🇺🇸 Netflix - $397.29 Billion
36. 🇨🇳 Agricultural Bank of China - $384.66 Billion
37. 🇺🇸 Costco - $382.84 Billion
38. 🇫🇷 LVMH - $376.19 Billion
39. 🇨🇳 ICBC - $361.12 Billion
40. Ξ Ethereum - $359.20 Billion
41. 🇨🇳 Alibaba - $349.74 Billion
42. 🇺🇸 AMD - $348.66 Billion
43. 🇨🇳 China Construction Bank - $347.42 Billion
44. 🇺🇸 Home Depot - $342.55 Billion
45. 🇺🇸 Procter & Gamble - $335.41 Billion
46. 🇨🇭 Roche - $332.34 Billion
47. 🇺🇸 General Electric - $326.64 Billion
48. 🇺🇸 Micron Technology - $321.23 Billion
49. 🇰🇷 SK Hynix - $312.25 Billion
50. 🇺🇸 Chevron - $307.07 Billion

Note: Precious metals are estimates.

Source: Companies Market Cap

[Amy Ruixuan Jiang @RXJiang]

@Mark4XX this time is different?

[𝗗𝗥𝗘𝗔𝗗 𝗕𝗢𝗡𝗚𝗢 @DreadBong0]

Liquidity is incentive driven.. which means it moves reactively

"Where can I get the most upside for the least risk?"

At different stages of a cycle, that answer changes..

🟡 Early cycle = Safety
⚪️ Mid cycle = Efficiency
🟢 Late cycle = Speculation

Once returns compress at the top, which right now is Gold and Silver.. capital must move lower to maintain return potential

Its not like investors suddenly become dumb and reckless.. but because the risk stays the same while the upside begins to shrink

This forces capital to look elsewhere, which naturally moves to smaller market cap assets..

Where the same liquidity produces larger price movements

Gold > Silver > #Bitcoin > $ETH + large caps > Mid caps > smaller caps > Memes + dumb shit

The compression in returns forces capital to seek efficiency.. its not because people want more risk

Which means narratives begin to form after the liquidity moves

🟡 "Gold is pumping because people lost faith in fiat"

⚪️ "Silver is pumping because of global supply shortage"

🟠 "Bitcoin is pumping because its a better version of gold"

And so on..

Its just recycled liquidity.. which flows and creates different narratives

Capital enters Gold > Leaves Gold
Enters silver > leaves silver
Enters Bitcoin > leaves bitcoin
Enters Altcoins > leaves altcoins

Each step brings larger returns as the same capital and liquidity is being pushed further out on the risk curve into more illiquid assets

Imagine a massive pot at the top of a structure..

Below the largest container sits medium ones.. below those are even smaller ones.. and at the bottom are the smallest containers

When that huge pot begins to overflow, it doesn't take much for the containers below to start spilling

Each level down requires less and less water for it to overflow

The water's not increased.. its just the containers have simply gotten smaller

And that’s why the biggest moves always happen at the end of the cycle

The liquidity flows downstream into thinner, more illiquid assets.. that causes violent movements from relatively modest inflows

We're currently in the first steps of this cycle..

Enjoy 🍻