Premarket trading on Thursday featured sharp moves across several stocks, led by company-specific news ranging from earnings misses and deal headlines to index changes and industrial competition. Nike slid after reporting weaker-than-expected fiscal first-quarter revenue and flagging declines tied to China, while ON Semiconductor and Synaptics surged on reports of a cash acquisition. Other notable losers included medical device firm Nexalin Technology, amid a new distribution agreement, and major storage names pressured by a Nikkei report on Toshiba’s planned HDD capacity expansion.
Key takeaways
- Nike shares fell more than 10% after the company missed revenue expectations for its fiscal first quarter; investors also reacted to a forecast of continued pressure, including China-related declines.
- ON Semiconductor and Synaptics rose sharply—up more than 7% and 14%, respectively—on reporting that ON Semiconductor plans to acquire Synaptics in a cash deal.
- Nexalin Technology dropped over 18% following an announcement of a 10-year distribution and manufacturing agreement tied to broader regional distribution.
- Seagate Technology and Western Digital declined on a Nikkei report indicating Toshiba will expand HDD production capacity and invest in facilities.
- Index changes supported Vylor, which gained slightly after being added to the S&P 500.
What drove the biggest movers
Nike slides after revenue miss and China weakness
Nike shares fell by more than 10% in premarket trading after the company missed LSEG consensus expectations for revenue in its fiscal first quarter. Nike reported sales down 4%, attributing the weakness to continued declines in its China business. The company also announced plans to lay off staff in 2027, adding to investor focus on cost actions as revenue growth remains under pressure.
ON Semiconductor and Synaptics rally on acquisition report
ON Semiconductor jumped more than 7% and Synaptics surged over 14% after reports said ON Semiconductor will acquire Synaptics in a cash-and-deal update. The reported consideration was $123 per share, and the transaction value was reported at $5.7 billion—down from a prior agreement valued at $7 billion. The reaction suggests investors viewed the revised terms as more favorable or more certain for Synaptics’ shareholders, while also signaling potential strategic and operational alignment for ON Semiconductor.
For investors, the key takeaway is that deal headlines can rapidly reprice risk and expected synergies—particularly when announced terms differ from earlier agreement levels. Further clarity will likely depend on deal documentation and regulatory review timing.
Nexalin Technology drops on distribution and manufacturing deal
Nexalin Technology shares fell by more than 18% after the company said it entered a 10-year distribution and manufacturing agreement with Inovanexa Medical Technologies. The agreement supports distribution of Nexalin Sync, the company’s neurostimulation device, across seven South American countries following approval for those markets. Despite the apparent expansion of commercial reach, the market response indicates investors either questioned near-term revenue visibility, margin assumptions, or execution complexity associated with long-horizon distribution frameworks.
Vylor edges higher after S&P 500 addition
Vylor gained slightly after being added to the S&P 500 on Thursday. The move follows the company’s spin-off from Corteva, with Vylor replacing Corteva in the S&P 500 while Corteva shifts to the S&P MidCap 400. Index inclusions often support liquidity and incremental institutional buying expectations, though the immediate price reaction suggests investors may be focused on the post-spin transition and how the new business mix performs.
Storage companies pressured by HDD competition outlook
Shares of Seagate Technology and Western Digital fell by more than 11% and 8%, respectively, after a Nikkei report said Toshiba plans to double its production capacity for hard disk drives used in data centers and invest $380 million to expand facilities in the Philippines. Toshiba is described in the report as one of the leading HDD competitors alongside Seagate and Western Digital.
The premarket selloff reflects investor concern that capacity expansion could intensify competition, potentially weighing on pricing or demand share in a market where supply-demand balance materially affects margins. For data-center HDD suppliers, incremental production plans from peers can quickly shift expectations for industry profitability, particularly if the added capacity arrives ahead of consumption growth.
What analysts and investors will focus on next
With most of Thursday’s movement driven by specific corporate catalysts, market participants will likely watch for follow-through details that confirm or refine the initial headlines. In the case of the reported acquisition between ON Semiconductor and Synaptics, investors will be looking for more precise deal terms, including any changes from the prior valuation and timelines around approvals. For Nike, the key issue is how China weakness and revenue trends evolve and whether cost actions are sufficient to stabilize results.
For Nexalin Technology, the long duration of the distribution arrangement raises questions about ramp timing and how distribution partners will scale adoption across the approved regions. Meanwhile, the HDD sector will be monitored for further signals about whether Toshiba’s capacity expansion changes pricing dynamics and how quickly competitors adjust production and commercial strategies.
Broader market watch
Beyond individual names, investors will likely keep an eye on any follow-up reporting around corporate transactions and on upcoming catalysts that can reset expectations for the broader market—particularly fresh earnings and guidance, as well as upcoming macro data and Federal Reserve commentary that influence discount rates and risk appetite across growth and industrial sectors.







