Shares of MongoDB (NASDAQ:MDB) ended Monday, September 28, 2026 lower by 18.46%, at $334.68. The database company's CEO, Chirantan Desai, resigned with immediate effect to join Meta Platforms (NASDAQ:META), and former CEO Dev Ittycheria returned as interim chief executive.
Navitas Semiconductor (NASDAQ:NVTS) announced on September 28 that it has been selected by the U.S. Army Research Laboratory, part of the Army Combat Capabilities Development Command, for the ALATTIS program, short for Accelerated, Large-Area, 10 kV SiC IGBT. The work covers next-generation 10 kV …
Micron (NASDAQ:MU), Sandisk (NASDAQ:SNDK), Western Digital (NASDAQ:WDC) and Seagate (NASDAQ:STX) all slid on Monday, September 28, as AI jitters and soaring yields hit the memory trade just ahead of its biggest event of the week.
While most of tech sank on Monday, September 28, Palo Alto Networks (NASDAQ:PANW) and CrowdStrike (NASDAQ:CRWD) climbed as AI safety jumped to the top of the agenda.
● Skyworks Solutions (SWKS) closed at $87.59 on Monday, down 1.96% from $89.34, a smaller decline than many chipmakers.
● Semtech (SMTC) closed at $174.78 on Monday, down 4.13% from $182.30, after a strong run this year.
● Roblox (RBLX) closed at $41.86 on Monday, down 9.86% from $46.44, making it one of the steeperRussell 1000decliners.
● Reports say Jefferies forecasts fiscal 2027 bookings growth of about 5%, against aWall Streetconsensus near 13%.
● Quanome Technologies (QNME) fell roughly a sixth during Monday's session as fourth-quarter results came out, per an intraday movers list.
Cango (NYSE:CANG) soared on a bullish initiation tied to its AI pivot, while TeraWulf (NASDAQ:WULF) and Core Scientific (NASDAQ:CORZ) fell, showing how divided analysts and investors are on the miner-to-data-center trade.