MongoDB (MDB) stock closed about 18% lower on Monday, September 28, 2026, after the database company said President and CEO Chirantan "CJ" Desai had stepped down, effective immediately, to take a senior role at Meta Platforms.The drop came even though MongoDB reaffirmed its guidance, brought back former CEO Dev Ittycheria as interim CEO and kept its Investor Day on the calendar for the very next day.Key TakeawaysMDB fell more than 25% in early trading on September 28, 2026, and closed ne
Crypto Pulse—US Stocks
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Key TakeawaysKOD closed near $90 on September 28, 2026, up nearly 180% from its $32.35 close on September 25, after Kodiak released topline DAYBREAK results.Zenkuda (tarcocimab tedromer) met its primary endpoint of non-inferior vision gains versus aflibercept (p=0.0007), with 54% of patients on six-month dosing at year one.Tabirafusp-ted (KSI-501) also met its primary vision endpoint (p=0.0036) in the same study.Zenkuda missed a wet AMD trial in 2022 and two diabetic macular edema trials
All three major indexes fell on Monday, September 28: the S&P 500 closed at 7,683.69 for −0.8%, the Nasdaq at 26,820.38 for −0.9% and the Dow at 51,481.51 for −0.7%. The reason sat in the bond market: the 10-year Treasury yield added about 6 basis points to 5.24%, the highest since 2007. The stock in focus is Nvidia (NVDA), which closed at $228.86 for a 1.68% gain on two things landing the same day: the board authorized another $150B of buybacks, its largest single increase ever by the company's
All three major indexes closed higher on Friday, September 25: the Dow +0.93%, the S&P 500 at 7,743.41 for +0.51%, the Nasdaq at 27,068.72 for +0.48%, and the Philadelphia semiconductor index +1.4%. The gains went to the names with new orders: Microsoft +3.66%, Qualcomm +3.97% and Dell +5%, against Nvidia (NVDA) at only +0.22%. The stock in focus is Qualcomm (QCOM), which closed at $201.97 and rose 3.97% as two things landed the same day: the top Snapdragon 8 Elit
All three US indexes closed lower on September 23. The Nasdaq fell 1.13% to 26,936.04, one session after a record close of 27,244.28. The trigger was the September flash composite PMI at 58.4, with input costs rising at their fastest in four years. The same day Fastly (FSLY) rose 13.69% to $29.65, while application software averaged −0.85% and Nasdaq technology −0.82%: a move against its sector, not a sector leading higher; it came from its own Investor Day. The 5-year Treasury yield closed at 4
Summary: Palo Alto Networks (NASDAQ: PANW) stock rose about 5% on Wednesday, September 23, 2026, as cybersecurity stocks rallied while the Nasdaq-100 fell. The gain came one day after Palo Alto launched Unit 42 Continuous Frontier AI Defense, an always-on offensive security service built on Anthropic's Claude Mythos 5 and OpenAI's GPT-5.6-Cyber. PANW slipped on launch day itself, so the rally reflects sector rotation plus investors digesting the new service.Key TakeawaysPANW rose about 5% on Sep
Summary: Super Micro Computer (NASDAQ: SMCI) said on September 23, 2026, that it is now shipping Nvidia Vera Rubin NVL72 racks with its own direct liquid cooling and deployment services, and a Supermicro post on X said the first systems went to SpaceXAI. Each rack holds 72 Rubin GPUs and 36 Vera CPUs. Dell shipped production Vera Rubin racks first, and SMCI stock closed roughly flat on the news.Key TakeawaysSupermicro announced on September 23, 2026, that it is shipping Vera Rubin NVL72 racks in
Summary: Securitize (NYSE: SECZ) stock rose as much as 12% on Wednesday, September 23, 2026, to a record high above $14. Two catalysts drove the run: the SEC's September 17 Innovation Exemption, a five-year pathway for trading tokenized U.S. stocks through blockchain liquidity pools, and Cantor Fitzgerald's September 21 initiation at Overweight with a $21.20 price target. The rally follows a record low after Securitize's August earnings report. Key TakeawaysSECZ hit an all-time high above $14 on
The last session was Tuesday, September 22, and the three indexes did not move together: the Nasdaq Composite rose 0.45% to 27,244.28 for a second straight record close, while the Dow fell 0.36% and the S&P 500 finished flat, down 0.01%. The stock in focus is Vicor (VICR), up 19.85% at $268.34, market value moving from $10.2B to $12.2B in a day, about 16.3 points above its own industry. The flash composite PMI lands at 13:45 and Fed Governor Barr speaks at 14:05; the US opens at 13:30, so all of
Meta's personal AI agent, Muse, is moving from suggesting products to paying for them. On Monday, September 21, 2026, Shopify CEO Tobi Lütke said Shopify will "enable agentic checkout with Shop Pay on all Shopify stores" through a partnership with Muse. Mark Zuckerberg confirmed the partnership on X the same day. Shopify stock rose about 7% on Monday and again on Tuesday, while Meta shares edged lower. Key TakeawaysMuse launched in the U.S. on September 8, 2026, for users 18 and older, a
