S&P 500 Gains and Losses Today: Juniper Networks Soars Amid Acquisition Talks

Group 1: Market Overview - The S&P 500 declined by 0.2% on January 9, 2024, as the previous day's tech rally lost momentum due to demand concerns [1] - The Dow Jones Industrial Average fell by 0.4%, while the Nasdaq posted a slight gain of 0.1% [1] Group 2: Company Performances - Juniper Networks (JPNR) shares surged by 21.8% following reports of potential acquisition talks with Hewlett Packard Enterprises (HPE) [1] - Hewlett Packard Enterprises (HPE) shares dropped by 8.9%, leading losses on the S&P 500 index [1] - Eversource Energy (ES) shares fell by 7.7% after announcing an expected impairment charge of up to $1.6 billion related to three offshore wind energy projects in the U.S. [2] - Catalent (CTLT) shares increased by 5.9% after presenting at the JPMorgan Health Care Conference, emphasizing its capabilities in the GLP-1 agonists market [2] - Illumina (ILMN) shares rose by 4.5% after issuing preliminary revenue figures for the fourth quarter and full year that exceeded analysts' expectations [2]