Micron upgraded, PayPal downgraded: Wall Street's top analyst calls

Upgrades Summary - Bank of America upgraded Micron (MU) to Buy from Neutral with a price target of $300, increased from $250, citing that HBM is sold out through calendar 2026 and customers are engaged in multi-year agreements, positioning Micron for a more sustainable upcycle [2] - Baird upgraded Rivian (RIVN) to Outperform from Neutral with a price target of $25, up from $14, indicating that 2026 is the year of the R2 launch [2] - Jefferies upgraded GE Vernova (GEV) to Buy from Hold with a price target of $815, increased from $736, noting a positive outlook for Power due to gas pricing and services visibility [2] - BMO Capital upgraded Merck (MRK) to Outperform from Market Perform with a price target of $130, up from $82, highlighting the company's strategy to grow through the Keytruda loss of exclusivity [2] - JPMorgan upgraded Shake Shack (SHAK) to Neutral from Underweight with a price target of $90, down from $95, based on valuation considerations following the stock's recent pullback [2]