Stock Movers Defense Stocks Jump, MongoDB Plunges
Mar 2, 2026
Carmen Reinecke, Bloomberg equities reporter and deputy U.S. team lead, breaks down market movers. She covers MongoDB’s sharp after-hours drop after weak guidance. She explains defense contractors racing higher amid geopolitical tensions. She also highlights Palantir’s gains tied to government contracts.
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MongoDB Shares Crash On Weak Guidance
- MongoDB plunged after giving a weaker-than-expected full-year revenue forecast and a below-consensus adjusted Q1 earnings outlook.
- Carmen Reinecke said MDB fell ~24% in after-hours trading and was already down ~22% year-to-date amid a broader software sell-off.
Palantir Rebounds As Defense Demand Returns
- Palantir rallied 5.8% as investors reacted to Middle East tensions and renewed analyst interest with the highest number of buy ratings seen (20).
- Carmen Reinecke noted Palantir remains down ~30% from its all-time high and gets ~40% of revenue from the U.S. government.
Defense Stocks Rally Broadly On Geopolitical Tensions
- Northrop Grumman hit a record high and was the S&P 500's best performer, rising about 6% on Middle East tensions.
- Carmen Reinecke said the defense rally was broad, lifting Lockheed, RTX, Kratos, and AeroVironment too.