U.S. stock market midday update: CleanSpark down 15.14%, trading volume surges, sector trend causes market fluctuations?

Tracking Unusual Activity
2025.12.15 18:47
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CleanSpark fell 15.14%; Palantir Tech rose 1.39%, with a trading volume of USD 4.076 billion; Strategy fell 7.75%, with a trading volume of USD 2.276 billion; AppLovin rose 2.24%, with a trading volume of USD 1.51 billion; SAP fell 0.14%, with a market capitalization of USD 284.7 billion