
A week ago I called my SK Hynix (SKHY) trade. I sold the $190 spike and bought the $154 dip.
David Han laid out a specific SK Hynix (SKHY) trade theory on July 7: a debut spike, Micron riding the sympathy wave, then a memory selloff as the excitement drained out. A week later it mostly played out, and he sold SKHY near $190 and bought back at $154. The original call is left exactly as written.

SK Hynix's $28 billion Nasdaq debut names Leopold Aschenbrenner's fund as a cornerstone investor
SK Hynix's record roughly $28 billion Nasdaq listing (SKHY) drew a cornerstone commitment from Leopold Aschenbrenner's Situational Awareness fund. The twist: the fund's single biggest disclosed position is a bet against the chip sector, which makes an anchor check into a memory chipmaker the story worth watching.

Samsung's record beat couldn't stop a memory stock selloff, and Micron (MU) is caught in it
Samsung posted a record 89.4 trillion won ($58.5 billion) Q2 operating profit, up 18-fold year over year, and the stock still opened lower. Memory names like Micron, SanDisk, and Western Digital are down sharply while the broader Nasdaq 100 barely moved. This is still developing after-hours and can change fast.

What is HBM? The memory chips powering the AI boom
Only three companies make high bandwidth memory, the chips every AI accelerator depends on, and supply is sold out through 2026. What HBM is, who makes it, and how to invest in it.

How to buy SK Hynix stock (SKHY), and what you pay over Seoul
SK Hynix trades on the Nasdaq under SKHY, and any US brokerage account can buy it. Here is how to place the order, which stocks actually give you this trade, the six leveraged tickers, and why the leveraged ones lost more than double.

Samsung and SK hynix lead a 5.8% Kospi rebound after Thursday's chip rout (July 3, 2026)
Kospi crashed toward 7,300 early Friday before ripping to a 5.76% gain as Samsung and SK hynix reversed a brutal chip rout, a strong finish to a week that was still down about 3.65% overall.

Samsung, SK Hynix, and Micron (MU): where the DRAM price-fixing lawsuit stands, updated October 28, 2026
A class action accuses Samsung, SK Hynix, and Micron (MU) of choking DRAM supply and inflating RAM prices roughly 700%. The defendants call the suit a rerun of a case they already beat; the plaintiffs say this one is different.

The Roundhill Memory ETF (DRAM) just added its first Chinese stock, and it is the priciest name in the fund
The Roundhill Memory ETF (DRAM) added GigaDevice as its first Chinese holding, and it is the priciest name in the fund. Updated August 1: CXMT is now in the fund too, at a 2.52% weight worth $627.5 million, held through a total return swap.

Samsung, SK Hynix and Micron (MU) are all trillion-dollar stocks now. Here is how they stack up against the Mag 7.
The AI memory boom turned Samsung, SK Hynix and Micron (MU) into trillion-dollar companies. Here is how the memory giants stack up against each other and the Mag 7, and the DRAM ETF that packages them in one ticker.

Sandisk (SNDK) ripped more than 20% on Micron's (MU) blowout: the memory stocks to watch
Sandisk (SNDK) jumped more than 20% today, the loudest name in a memory-stock rally lit by Micron's (MU) record quarter. Why SNDK ripped, and the other memory names riding the same wave.

After Micron's blowout, SK Hynix could go even bigger on July 29
Micron just posted a blockbuster quarter. The real question for July 29 is whether SK Hynix, the bigger HBM player with about 62% market share, the largest Nvidia HBM4 allocation, and record 72% margins, can top it. The bull case, and the catch.

SK Hynix's US listing: tune out the hype, watch the order book
SK Hynix is listing in the U.S. and the headlines have gone wild. The early numbers were guesswork, and the real terms came in far bigger: a roughly $29 billion Nasdaq deal. The simpler reason to like the stock is its sold-out 2026 memory book, already filling into 2027.

What really happened to SK Hynix and Samsung overnight
Korea's KOSPI fell about 10% overnight and tripped its circuit breakers twice while SK Hynix and Samsung each dropped about 12%. Here's what actually drove the selloff, why it steadied, and why Micron's earnings tomorrow are the real test.