US stocks are off to a mixed start today, with some major movers in the pre-market session. Among them, NVIDIA (NVDA) and CrowdStrike Holdings (CRWD) failed to impress investors, while Snowflake (SNOW) and Visa (VSCO) delivered strong performances.

NVDA took a hit of 0.7% after reporting data center revenue and Q3 outlook that fell short of expectations. The company is also in talks with the US government to sell its Blackwell AI chip technology to China, which may raise concerns about the potential risks of doing business with the Chinese government.

CRWD saw a 3.4% decline in pre-market trading after issuing disappointing revenue guidance for the next quarter and full year. The company’s stock has been under pressure lately due to increased competition in the cybersecurity space.

On the other hand, Snowflake soared 13.4% after beating expectations on both earnings and revenue. The company also raised its adjusted EPS and revenue guidance for the full year, which was well received by investors.

NTAP saw a slight miss in its Q1 metrics, but its product gross margin and full-year revenue outlook were slightly weaker than expected. The stock dipped 7.9% in pre-market trading.

Dollar General (DG) delivered strong profit, sales, and same-store sales growth, with guidance for the next quarter and full year also beating expectations. The stock added 5.0% to its value in pre-market trading.

VSCO also had a great day, with an 5.3% gain after reporting adjusted EPS and revenue that exceeded estimates. The company raised its full-year revenue outlook, which was seen as a positive sign by investors.

Halliburton (HRL) saw a 10.8% decline in pre-market trading after missing profit and next quarter guidance expectations. The stock was downgraded at Citi, which may have contributed to the sell-off.

COO took a 16.8% hit in pre-market trading after issuing disappointing revenue guidance for the next quarter and full year. The company was downgraded by Citigroup, which may have further dampened investor sentiment.

Finally, PagerDuty (PSTG) delivered a strong Q2 report with revenue guidance above forecasts, leading to a 15.4% gain in pre-market trading. The company’s stock has been on a tear lately, driven by increasing demand for its digital operations management platform.

In terms of upgrades, BofA upgraded IP to ‘Buy’ from ‘Neutral’, while Deutsche Bank upgraded VG to ‘Buy’ from ‘Hold’. These moves may have contributed to the positive sentiment in the market today.

Overall, today’s pre-market movers show a mixed bag of results, with some companies delivering strong performances and others falling short of expectations. Investors will be keeping a close eye on these stocks as earnings season continues.