Core Insights - DoorDash shares fell significantly after the company reported earnings that did not meet expectations and provided a weak outlook for future performance [1][2][6] - Major U.S. equity indexes, particularly tech stocks, experienced declines amid concerns regarding an AI bubble and a series of earnings reports [1][6] Company Performance - DoorDash (DASH) was the worst performer in the S&P 500, with earnings falling short of forecasts and a warning of rising expenses due to investments in new products and expansion plans [2][6] - Paycom Software (PAYC) also saw a decline in shares after missing profit estimates and reiterating its outlook, raising concerns about demand and growth potential [2] - Datadog (DDOG) emerged as the best performer in the S&P 500, with shares surging after reporting earnings that exceeded forecasts and an improved outlook due to a growing customer base [3][6] - Snap (SNAP) experienced a rise in shares following better-than-expected quarterly results, increased user engagement, and announcements of a stock buyback and AI search capabilities [4] Market Trends - The overall market saw a decline, with the Dow, S&P 500, and Nasdaq all losing ground, primarily driven by tech stocks [1][6] - Oil and gold futures dropped, while the yield on the 10-year Treasury note decreased, indicating a shift in investor sentiment [4]