All three major US stock indexes were up in late-morning trading Monday following the announcement of tariff exemptions late Friday by President Trump for smartphones, computers and other tech devices and components.

In company news, Pfizer (PFE) said Monday it is discontinuing the development of danuglipron, its GLP-1 drug candidate for weight management, after a patient experienced a potential drug-induced liver injury. While the potential injury was resolved after stopping the drug, it still raised concerns, the company said. Pfizer shares were up 0.8% around midday.

Intel (INTC) said Monday it has entered into an agreement to sell a 51% stake in Altera to Silver Lake in a deal that values Altera at $8.75 billion. The transaction is expected to close in H2, subject to customary closing conditions, the company said, adding that Raghib Hussain will succeed Sandra Rivera as chief executive of Altera, starting May 5. Intel shares were up 3.0%.

Nvidia (NVDA) said Monday it is working with its manufacturing partners to design and build factories that will produce artificial-intelligence supercomputers entirely in the US for the first time. The tech giant, together with its manufacturing partners, has commissioned over 1 million square feet of manufacturing space to build Blackwell chips in Arizona and AI supercomputers in Texas, the company said, adding that the plants are expected to ramp up in the next 12 to 15 months. Nvidia shares were up 0.6%.

Goldman Sachs (GS) reported Q1 earnings Monday of $14.12 per diluted share, up from $11.58 a year earlier and above the FactSet consensus estimate of $12.33. Total Q1 net revenue was $15.06 billion, up from $14.21 billion in the year-ago period and above the FactSet consensus of $14.77 billion. Goldman shares were up 1.9%.

KKR (KKR) is in advanced talks to acquire OSTTRA for around $3 billion, Bloomberg reported Saturday, citing sources familiar with the matter. A deal for OSTTRA, which is a joint venture between CME Group (CME) and S&P Global (SPGI) that specializes in post-trade services for foreign exchange and derivative markets, could e announced as early as next week, Bloomberg reported. KKR shares were up 2.0%, while those of CME Group and S&P Global were up 1.2% and 1.5%, respectively.

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