Stock Market 9 December 2025

MercadoLibre shares ended Thursday at $1,635.15, up 2.87% over the last five sessions, with a Galperin-linked trust maintaining its 6.7% stake after an internal estate-planning move, not a market sale. Vistra closed at $163.75, gaining 3.1% for the session and about 10.6% for the week, as investors focused on AI data center power demand. Home Depot finished at $334.28, up 2.1%, but new housing data weighed on the home-improvement outlook. Bank of America experienced app and online banking disruptions Saturday, with over 5,000 user complaints reported. General Motors closed at $79.29, down 0.36% on June 18 and 2.7% from June 12, after midweek losses. Joby Aviation rose 6.5% to $10.00, up 9.3% for the week, with investors watching FAA certification and cash use. Constellation Energy gained 8.0% for the week, closing at $274.06, as the market awaits the impact of new grid rules and project approvals. Broadcom rose 4.7% to $411.35 but remains below its June 3 high amid questions about AI expectations. Cerebras Systems climbed 9.85% to $234.71, up 9.7% for the week, but still trades below its IPO price. GE Aerospace rose 6.7% to $357.64, outperforming major indexes ahead of its July 16 earnings. Roblox gained 7.31% to $51.53, with engagement up for the third week, helped by new content and a return to Russia. Dell fell 2.34% to $409.50 but is up 3.5% since June 12. Applied Digital rose 2.24% to $46.59 and completed a $1.59 billion notes sale. Oklo increased 4.0% to $61.17, with Centrus set to supply fuel for up to five Aurora powerhouses. Robinhood jumped 16% to $108.15, planning a 10% workforce reduction and $28 million in restructuring charges. CoreWeave surged 17.3% to $117.95 ahead of joining the Nasdaq-100. Coherent rose 2.8% to $389.57 and signed a letter of intent for up to $50 million in CHIPS Act funding. Applied Optoelectronics fell 3.3% to $161.85, down 4.3% for the week, with filings and management comments in focus. Micron gained 8.7% to $1,133.99, up 15.5% for the week, with upcoming earnings seen as a test for the AI memory rally. Amkor Technology rose 4.7% to $90.46 after TSMC signed a 10-year deal to expand work in Arizona, with Micron’s earnings also seen as a catalyst.