Nvidia downgraded, Mercury Systems upgraded: Wall Street's top analyst calls
JPMorgan upgraded Mercury Systems (MRCY) to Overweight with a $102 target, citing Q3 performance. Republic Services (RSG) was upgraded to Overweight with a $295 target, expecting positive waste volume growth in 2027. Raymond James upgraded Liquidia (LQDA) to Strong Buy with a $77 target, citing strong demand and legal settlement. Piper Sandler upgraded Alpha Tau (DRTS) to Overweight with a $22 target, highlighting its technology.
How this was made

The 30-second read
Why it matters
The collective upgrades and downgrades provide short‑term trading opportunities but overall market impact is muted.
Market read
Mixed analyst sentiment creates selective buying and selling pressure across the highlighted tickers.
What to watch
Potential macro‑economic headwinds could dampen the impact of individual analyst rating changes.
Background
Analyst houses released a series of rating changes and new coverage across multiple U.S. stocks, reflecting sector‑wide reassessments.
Ticker impact
JPMorgan upgraded Mercury Systems to Overweight with a $102 price target, citing Q3 EBITDA margin beat.
likely upward pressure from upgrade and higher target.
Upgrade reflects improved earnings metrics, may attract buying.
JPMorgan upgraded Republic Services to Overweight with a $295 target, expecting waste volume growth in 2027.
moderate upside as investors price in volume growth.
Target raise signals stronger future cash flow.
Raymond James upgraded Liquidia to Strong Buy, raising target to $77 on strong Yutrepia launch and settlement with United Therapeutics.
upward pressure from higher target and product momentum.
Positive clinical and commercial news supports price rise.
Piper Sandler upgraded Alpha Tau to Overweight with a $22 target, citing differentiated tumor technology.
potential upside as investors value pipeline.
Small‑cap biotech upgrades have limited immediate impact.
Ladenburg upgraded Gladstone Investment to Buy with a $17 target after Q2 earnings miss but solid dividend.
limited upside, possible stabilization.
Dividend focus may attract income investors.
Baird downgraded Nvidia to Neutral, cutting target to $200 from $500 due to data‑center demand slowdown.
downward pressure as outlook softens.
Target cut reflects concerns about AI demand.
Keefe Bruyette downgraded Riot Platforms to Market Perform, keeping target near $23 despite financing focus.
slight downside as financing uncertainty persists.
Minor target change, limited impact.
Bernstein downgraded Toast to Market Perform, lowering target to $38 from $45 after AI thesis played out.
potential pullback on reduced expectations.
AI catalyst faded.
Market effects
Technology and industrial sectors see mixed sentiment due to varied analyst actions.
U.S. equity markets may experience modest volatility from the spread of upgrades and downgrades.
Limited; primarily affects U.S.-listed equities.
Counterpoint
Investors may view the downgrade of Nvidia as an overreaction given long‑term AI demand.
Key entities
- AnalystJPMorgan
Upgraded Mercury Systems and Republic Services, resumed coverage of Vertiv, JCI, ETN.
- AnalystBaird
Downgraded Nvidia.
- AnalystJefferies
Initiated coverage of ZBRA, LFUS, TER, ST.




