The US stock storage chip index fell more than 4.7%, with Sandisk rising about 143% in January, while Seagate Tech, Micron Tech, and Western Digital all accumulated gains of over 40%

On Friday (January 30), the U.S. stock storage chip and hardware supply chain index fell by 4.72%, closing at 103.68 points. Component stocks Western Digital fell by 10.12%, Seagate Tech dropped by 8.71%, Rambus declined by 6.39%, Lam Research fell by 5.93%, Applied Materials decreased by 5.57%, Micron Tech dropped by 4.80%, Teradyne fell by 4.30%, and Sandisk rose by 6.85%.
In January, Sandisk accumulated a rise of 142.75%, Seagate Tech increased by 48.04%, Micron rose by 45.36%, Western Digital gained 45.25%, Lam Research increased by 36.38%, Applied Materials rose by 25.42%, Teradyne gained 24.54%, and Rambus increased by 23.88%.
The interest rate cut winners index fell by 2.08%, closing at 101.56 points, with a cumulative rise of 3.47% in January, having reached 108.47 points at the opening of the U.S. stock market on January 16.
The "Trump Tariff Losers" index fell by 0.11%, closing at 112.94 points, with a cumulative rise of 2.34% in January.
The "Trump Financial Index" fell by 0.84%, closing at 170.38 points, with a cumulative decline of 1.09% in January.
The retail investor meme stock index fell by 3.65%, closing at 14.13 points, with a cumulative decline of 8.08% in January, having reached 17.09 points at the market opening on January 9, and subsequently continued to decline, dropping to 14.03 points by the end of trading on the 30th