Yahoo Finance·2026-02-09 17:59Market Performance - The U.S. markets closed with the Nasdaq gaining 0.90%, the Russell 2000 up 0.70%, and the S&P 500 increasing by 0.47%, while the Dow only added 0.04% [2] - Midday updates showed the Nasdaq at +1.22%, Russell 2000 at +0.97%, and S&P 500 at +0.66%, with the Dow slightly down at -0.06% [3] - Technology (+1.69%), communication (+1.07%), and materials (+0.76%) sectors showed significant gains, while staples (-0.87%), health care (-0.83%), financials (-0.14%), and utilities (-0.08%) declined [3] Top Movers - Valaris Ltd surged by 28.8% following the announcement of its acquisition by Transocean in a $5.8 billion deal [4] - TeraWulf saw a 16.2% increase after Morgan Stanley initiated coverage with an Overweight rating and a $37 price target [4] - Applovin Corp rose by 14.6% after a retraction of a short-seller report linking it to "transnational crime syndicates" [5] Decliners - Kyndryl Holdings experienced a significant drop of 55.2% after the announcement of its CFO's departure amid an accounting review [7] - Hims & Hers Health fell by 24% after being required to pull its GLP-1 products from the market, which constituted nearly all of its growth over the past year [7] - Monday.Com declined by 22% following a miss on earnings [7]