NASDAQ Composite Index has fell 0.84%, with a year-to-date rose 11.3%; S&amp;P 500 has fell 0.67%, with a year-to-date rose 7.4%; Dow Jones Industrial Average has fell 0.65%, with a year-to-date rose 2.7%.Marvell Tech(MRVL) rose 4.34%, with a trading turnover 4.3 Billion USD, and a year-to-date rose 107.7%.
Sandisk(SNDK) rose 3.77%, with a trading turnover 17.8 Billion USD, and a year-to-date rose 482.7%.
Vertiv(VRT) fell 5.03%, with a trading turnover 2.9 Billion USD, and a year-to-date rose 99.2%.
BlackRock(BLK) fell 4.57%, with a trading turnover 1.1 Billion USD, and a year-to-date fell 2.6%.<img src="https://pub.pbkrs.com/screenshot/us_company_top_five_2026-05-20_en-1779228050913989021.png?x-oss-process=style/lg" original-src="https://pub.pbkrs.com/screenshot/us_company_top_five_2026-05-20_en-1779228050913989021.png"/>

MRVL

SNDK

QCOM

Marvell Tech(MRVL) rose 4.34%, with a trading turnover 4.3 Billion USD, and a year-to-date rose 107.7%. Sandisk(SNDK) rose 3.77%, with a trading turnover 17.8 Billion USD, and a year-to-date rose 482.7%. Vertiv(VRT) fell 5.03%, with a trading turnover 2.9 Billion USD, and a year-to-date rose 99.2%. BlackRock(BLK) fell 4.57%, with a trading turnover 1.1 Billion USD, and a year-to-date fell 2.6%.

- The Nasdaq Composite Index decreased by 0.84%, with a year-to-date gain of 11.3%.  
- Meanwhile, the S&P 500 fell by 0.67% and the Dow Jones dropped by 0.65%, recording year-to-date increases of 7.4% and 2.7%, respectively.  
- Notable stock movements include Marvell Technology rising by 4.34% and Sandisk increasing by 3.77% year-to-date, while Vertiv and BlackRock saw declines of 5.03% and 4.57%.

Top 5 US Stock Gainers/Losers (>100B) (5.19)