S&P 500 Gains and Losses Today: Robinhood Pops on Prediction Markets Play, Workday Stock Slumps

Core Insights - Robinhood Markets emerged as the best-performing stock in the S&P 500, with shares soaring nearly 11% following the announcement of a joint venture to acquire a stake in LedgerX, enhancing its offerings in prediction markets [4][9] - Major U.S. equity indexes, including the S&P 500 and Dow, extended their winning streak to four sessions, driven by optimism surrounding a potential rate cut in December [3] - Dell Technologies saw its shares jump close to 6% after raising its full-year sales and profit outlook, citing strong AI-driven demand with record AI server orders exceeding $12 billion year-to-date [5] - Oracle's stock gained 4% despite previous losses, as analysts suggested the recent sell-off may have been overdone [6] - Workday's shares tumbled nearly 8% due to an underwhelming fourth-quarter subscription revenue forecast, attributed to soft demand from higher education and cautious corporate spending [7][9] - Deere & Company experienced a decline of close to 6% after warning of a challenging market environment, with CEO John May indicating ongoing pressures from tariffs and broader agricultural sector challenges [8][10]