MongoDB Inc. (NASDAQ: MDB) tumbled 5.8% and Oracle Corp. (NYSE: ORCL) shed 4.6% on Wednesday as investors questioned whether AI software sector valuations can survive a prolonged wait for material earnings uplift. The S&P 500 slipped 0.1% to 7,358, the Nasdaq Composite fell 0.4% to 25,477, and the SOXX semiconductor ETF edged 0.3% lower to 601.50, with Micron Technology's after-hours quarterly results the session's defining catalyst.
Today's biggest movers
| Ticker | Close | Day | 1mo | YTD |
|---|---|---|---|---|
| $DELL | $434.06 | +1.47% | +42.28% | +239.64% |
| $TSM | $440.83 | +1.02% | +6.91% | +37.93% |
| $DDOG | $222.65 | +0.94% | -0.45% | +66.44% |
| $LRCX | $374.80 | +0.93% | +16.15% | +102.53% |
| $AMAT | $588.97 | +0.53% | +29.48% | +119.05% |
| $MDB | $302.44 | -5.77% | -1.60% | -24.32% |
| $ORCL | $157.53 | -4.62% | -18.40% | -19.51% |
| $PLTR | $113.50 | -2.74% | -16.91% | -32.38% |
| $SMCI | $32.45 | -2.61% | -12.53% | +4.81% |
| $MSFT | $365.46 | -2.27% | -12.16% | -22.73% |
MongoDB slides 6% as post-earnings momentum fades
MongoDB Inc. (NASDAQ: MDB) closed at $302.44 on Wednesday, its sharpest single-session drop in weeks, as sellers unwound a portion of the gains earned after a strong fiscal first quarter. MDB's Q1 2026 results beat on both lines: revenue of $687.6 million outpaced the $664.2 million analyst consensus by 3.5%, and adjusted EPS of $1.32 topped the $1.18 estimate by 11.5%. The stock had run from around $325 to nearly $360 following those results, and Wednesday's move represents a partial give-back as the broader AI software complex softens under macro and valuation pressure. Tigress Financial analyst Ivan Feinseth maintained a Buy rating and raised his price target to $515 from $430 this month. Scotiabank also raised its target, moving to $395 from $310 with an Outperform rating. MDB's next earnings report is scheduled for August 27.
Oracle sheds 5% as AI data-center pivot weighs on near-term margins
Oracle Corp. (NYSE: ORCL) fell 4.6% to $157.53, extending a month-long retreat that has taken the stock down 18.4% in June and 19.5% year-to-date. The company beat its fiscal Q4 2026 earnings estimate - EPS of $2.11 against consensus of $1.89 - and delivered full-year 2026 revenue of $67.36 billion, a 17.4% increase over the prior year. However, Oracle simultaneously announced a 13% workforce reduction as management redirects capital toward a $70 billion AI data-center build-out, a commitment analysts flagged as a meaningful near-term margin headwind with a long payback horizon. The average Wall Street price target of $252.64 implies roughly 60% upside from current levels, reflecting the gap between long-term confidence in Oracle's cloud infrastructure positioning and near-term execution risk. The next earnings call is September 8.
Palantir extends losing streak toward worst monthly drop since early 2021
Palantir Technologies Inc. (NYSE: PLTR) dropped 2.7% to $113.50, and is now down 16.9% for the month, a pace that would mark the stock's steepest monthly decline since February 2021 if it holds. The sell-off sits in stark contrast to the company's operating fundamentals: Q1 2026 revenue grew 85% year-over-year, and management raised its full-year guidance substantially. Rosenblatt Securities analyst John McPeake maintained a Buy rating with a $225 price target, citing Palantir's ontology platform as a durable competitive moat and noting significant upside from prevailing levels. With the stock down 32.4% year-to-date after a dramatic run-up through 2025, investors appear to be resetting expectations around how much of the AI platform narrative was already priced in at the peak. For context on the multi-day AI software rotation affecting Palantir and its peers, see Tuesday's recap on the semiconductor and software sell-off.
Dell bucks the trend as AI server backlog holds firm
Dell Technologies Inc. (NYSE: DELL) added 1.5% to $434.06, the strongest day-session performance in the 25-ticker universe. The company's Q1 2026 results showed revenue growth of 87.5% year-over-year, driven by hyperscaler and enterprise demand for AI-optimized server infrastructure. Analysts covering DELL set an average 12-month price target of $465.95, with the most bullish estimate at $700. Dell is the year's standout AI infrastructure beneficiary, up 239.6% year-to-date, and Wednesday's session offered no new catalyst - simply the quiet bid that tends to accompany a company with a growing AI hardware order book. For more on how Dell has separated from the broader hyperscaler trade this year, see Monday's recap on the hardware-versus-software divergence.