Post-Market Briefing — May 18, 2026: Yields Bite, Oil Pops, and Crypto Bulls Get Liquidated Again

Monday's tape, in three words: blame the 10-year. (And maybe Iran. And maybe the bond vigilantes who apparently never died, they were just waiting for inflation above 6%.)

Post-Market Equities Crypto Metals Geopolitics

The Scoreboard

Equities: The Dow Threw a Pity Party for Itself

Stocks opened Monday with cautious optimism — futures had been mixed overnight, oil was easing, and traders were positioning for a monster earnings week with Nvidia, Target, and Walmart all on deck. Then reality showed up. The Nasdaq Composite finished down 0.51% at 26,090.73, the S&P 500 clipped 0.07%, and only the Dow Jones Industrial Average managed to escape the day green, closing +0.32% at 49,686.12 thanks to a bid in financials and industrials. Small caps got the worst of it, with the Russell 2000 down 0.65% as rising yields chewed through the most rate-sensitive corner of the market. For the latest live read across the indices, see our Post-Market category for additional context on this session. TheStreet

The pain underneath the indexes was almost entirely a tech story. The S&P Tech Sector traded down more than 2.3% intraday before finishing off about 1.1%. Intel cratered 5%, Micron dropped 4%, AMD slid 3%, and Nvidia leaked another roughly 2% heading into its Wednesday earnings — because nothing settles the nerves before a report quite like watching your stock fade for two straight sessions. Seagate Technology was the day's standout disaster, tumbling 7% on worries that a Samsung Electronics union strike in South Korea could throttle memory-chip supply just as AI data center demand is absorbing every wafer that isn't nailed down. Microsoft was the lone bright spot in big tech, lifted by news that Bill Ackman's Pershing Square had built a new position in the name. Yahoo Finance

The villain of the story is hiding in the bond market. The 10-year Treasury yield punched above 4.60% — its highest level in a year — while the 20-year and 30-year sat near 5.13% and 5.145% respectively, levels not seen since 2007 when most of today's day-trading TikTokers were still learning to walk. Traders have now fully priced out any Federal Reserve rate cuts for the rest of 2026, and a non-trivial slice of the curve is starting to flirt with the idea of a rate hike before year-end. That's not "stocks go up" territory. If you're new to why yields and equities tend to play tug-of-war, our Education hub has primers on the bond–equity relationship. TheStreet

Futures: Session Closed — Tuesday Setup Looks Heavy

Futures opened the after-hours session quietly mixed but drifted lower as the evening wore on, ending the session firmly in the red. Final reads: S&P 500 futures settled -0.70% at 7,380.25, Dow futures off 0.77% (-380 points) at 49,237, Nasdaq futures -0.94% at 28,955.75, and Russell 2000 futures -0.88% at 2,774.90. Brent crude ticked higher to $111.75 (+2.28%), gold gave up its earlier intraday bounce to settle around $4,507 (-1.19%), and Bitcoin slipped back to roughly $76,755 (-1.21%). Translation: traders are walking into Tuesday underweight risk, long oil, and nervous about Wednesday's Nvidia print. The Tuesday cash open is setting up to look a lot like Friday's: defensive, yield-sensitive, and one Truth Social post away from chaos. For traders working the overnight tape, our Futures category tracks moves like these in real time. Yahoo Finance

The War Tape: Trump's Truth Social Account Is Now a Macro Variable

The single biggest market mover today wasn't a CPI print, an earnings preannouncement, or a Fed speech — it was a Truth Social post. President Trump declared early in the session that "the clock is ticking" on Iran and warned that Tehran had "better get moving, FAST, or there won't be anything left of them." Oil ripped higher, equities sagged, and the safe-haven bid in bonds got slapped down by the inflation-from-oil narrative. Then, hours later, Trump posted again saying he had been asked by the Emir of Qatar, the Crown Prince of Saudi Arabia, and the President of the UAE to hold off on a planned military attack on Iran that had been scheduled for the following day, adding that "serious negotiations are now taking place." Brent immediately fell from above $112 to under $110, and stocks clawed back roughly half the day's damage in tech. Yahoo Finance

The bigger structural issue isn't the daily presidential mood swing — it's that the Strait of Hormuz has been effectively closed since early March, and roughly a quarter of global oil flows run through that chokepoint. Bloomberg's vessel-tracking data shows at least 19 non-Iranian oil and LPG tankers have successfully transited Hormuz since March 1, while about 100 tankers that entered the Persian Gulf before the conflict are still stuck there, terrified of becoming the next maritime headline. That's the supply-side reality keeping a floor under crude even when negotiation rumors push the headline down a few bucks. Bloomberg

Crypto: $657 Million in Liquidations and a Bitcoin ATM Bankruptcy Walk Into a Bar

Bitcoin spent Monday trying — and failing — to reclaim $80,000, ultimately trading around $76,900 with a 1.55% loss on the day. The slide below $77K over the weekend triggered roughly $657 million in crypto liquidations in 24 hours, with long positions accounting for about 89% of the wipeout. Ethereum took a sharper hit, down 2.64% to roughly $2,119, its lowest opening price since early April. Bitcoin is now around 39% off its October 2025 all-time high of $126,198, and the Crypto Fear & Greed Index is sitting at 28 — solidly in "Fear" territory, which is one notch above "your group chat has gone suspiciously quiet." For deeper dives, see our Crypto category. CoinMarketCap

The macro setup is brutal for risk assets right now: rising real yields, a stronger dollar, inflation re-acceleration concerns, and spot Bitcoin ETFs posting their worst weekly outflow since February at a net 13,000 BTC redeemed. Two other crypto headlines worth flagging today: Bitcoin Depot, one of the largest U.S. crypto ATM operators, filed for Chapter 11 bankruptcy — a reminder that when the tide goes out you find out who was running on fumes. And in the "things you can't make up" department, Iran's state launched "Hormuz Safe," a platform allowing ships to purchase maritime insurance using cryptocurrency. Sanctions evasion via stablecoin is officially a 2026 storyline now. CoinMarketCap

Metals: Gold Can't Catch a Break, Silver Quietly Outperforms

Gold spot prices spent Monday testing their lowest levels since late March, trading around $4,542–$4,570 per ounce and finishing roughly 0.12% lower. The yellow metal is now down 5.78% over the past month as the same forces hurting tech — higher real yields, stronger dollar, "no Fed cuts" repricing — are hitting bullion right where it lives. The frustrating part for gold bulls is that this is supposed to be exactly the kind of environment (war, oil shock, inflation pressure) where gold runs. Instead, it's getting steamrolled by the bond market, because when 30-year Treasuries yield 5.13%, a non-yielding rock has a harder pitch to make. Trading Economics

Silver, by contrast, is having a relative-strength day, trading near $76.75 per ounce and erasing earlier losses to climb roughly 1.33%. The gold-to-silver ratio has compressed to about 58.9:1, its tightest reading in 15 years, as capital continues rotating into silver's industrial-demand profile — solar, electronics, and EV applications. UBS did throw cold water on the demand picture, cutting its 2026 silver investment demand forecast to 300 million ounces from over 400 million and narrowing the projected supply deficit to 60–70 million ounces. Still, with first-notice day for June COMEX silver futures looming at month-end and the metal in its sixth straight year of structural deficit, the squeeze risk is non-trivial. Trading Economics

After-Hours News: A $66.8B Power Deal and a $1.75T IPO Walk Onto the Tape

The biggest single-day M&A story landed Monday: NextEra Energy announced it will acquire Dominion Energy in an all-stock transaction valued at approximately $66.8 billion, creating the world's largest regulated electric utility by market value. Dominion shareholders will receive 0.8138 NextEra shares for each Dominion share, pricing Dominion at about $75.97 — a roughly 23% premium to Friday's close. The market reaction was textbook: Dominion ripped 11% to its highest level since late 2022 while NextEra slipped 2.6% on deal-financing concerns. The strategic logic is one word: AI. Dominion's Virginia footprint covers "Data Center Alley" — the largest concentration of data centers on the planet — with reportedly 51 gigawatts of contracted data-center capacity already signed up. This extends a 2025–26 utility M&A wave that already includes Constellation–Calpine and Blackstone–TXNM. For more on how the AI buildout is reshaping equity flows, see our AI category. NBC News / Reuters

And then there's the elephant in the room: SpaceX is officially targeting a June 12 Nasdaq debut under the ticker SPCX, with the IPO pricing planned for June 11, an investor roadshow starting June 4, and a prospectus filing expected this week. The company is aiming to raise roughly $75 billion at a $1.75 trillion valuation — which would make it the largest IPO in market history, by a wide margin. Shareholders already approved a 5-for-1 stock split that takes the internal fair-market price from $526.59 to $105.32, with processing happening this week and completion targeted for May 22. BlackRock is reportedly in talks to anchor $5–10 billion, and Saudi Arabia's PIF is said to be circling a $5 billion check. The governance side is messier: Class B supervoting shares carry 10x voting rights and keep Musk in control with roughly 80% of votes post-IPO, which has already drawn objections from New York and California pension funds. We'll be covering this one closely on our Business category in the run-up to pricing. Benzinga / Reuters

Other Headlines Worth Your Attention

• Trump drops $10B IRS lawsuit: President Trump, his two eldest sons, and the Trump Organization voluntarily dismissed their $10 billion lawsuit against the IRS in Miami federal court, on the heels of reports that DOJ was negotiating a $1.7 billion settlement. TheStreet
• Samsung union strike risk: A potential strike at Samsung Electronics' semiconductor operations is rattling memory-chip supply chains. With AI data center demand already monopolizing memory, any disruption hits everything from Micron to Seagate to laptop OEMs. Yahoo Finance
• This week's main event: Nvidia reports Wednesday after the close, with Target on Wednesday and Walmart on Thursday. Nvidia's print is the AI trade's annual physical exam. Target and Walmart will tell us whether $110 Brent is showing up in the consumer's wallet yet.

What I'm Watching Tomorrow

Three things on the radar for Tuesday. First, the 10-year yield — if it pushes meaningfully above 4.65%, equities likely lose what little support they found today, and the small-cap and tech beating gets worse. Second, any Iran headline, in either direction. The market is now trading the Truth Social feed like it's a Bloomberg terminal, so a single post can move Brent five bucks and the Nasdaq half a percent. Third, positioning into Nvidia. KeyBanc just raised its NVDA price target to $300 from $275 ahead of Wednesday's print, citing 150K–200K quarter-over-quarter Blackwell GPU shipment growth, so expectations are getting baked higher. Expect chop in the semi complex as funds de-risk or pile in. For traders managing risk into a binary event like NVDA earnings, our Trading Psychology archive has worthwhile reads on managing event risk without doing something you'll regret on Thursday morning.