U.S. equities saw notable sector rotations on Tuesday, driven by regulatory commentary, technological announcements, and analyst actions.

Decliners:

• Credit Score Providers: Shares of major credit reporting agencies fell after Federal Housing Finance Agency Director Bill Pulte criticized the companies' pricing on social media. TransUnion dropped 4%, Equifax lost over 5%, and Fair Isaac slipped nearly 4%.

  

• Cooling Equipment Makers: Stocks of industrial cooling companies declined following Nvidia CEO Jensen Huang's comment that its new Vera Rubin platform for data centers is highly energy efficient and requires "no water chillers." Trane Technologies fell 4%, Johnson Controls dropped almost 8%, and Modine Manufacturing plunged 10%.

• Fintech: SoFi tumbled almost 10% after Bank of America resumed coverage with an underperform rating, warning of further downside. Peers LendingClub, Upstart Holdings, and Chime Financial also traded lower.

• Insurance: American International Group fell about 8% after announcing CEO Peter Zaffino will transition to executive chairman by mid-year, succeeded by former Aon president Eric Andersen.

Gainers:

• Shake Shack: The burger chain's shares rose more than 6% after Deutsche Bank upgraded the stock to buy, citing it as a likely beneficiary of tourism during the upcoming World Cup.

• Data Storage: Companies in the data storage space rallied sharply. Sandisk surged 24%, Western Digital gained about 15%, and Seagate Technology advanced 12%.

• Semiconductors: Nvidia edged up 0.7% after unveiling new autonomous vehicle software at CES. Microchip Technology jumped over 10% after issuing better-than-expected fiscal third-quarter revenue guidance.

• Software: OneStream shares skyrocketed 28% on reports that buyout firm Hg is in advanced talks to acquire the financial software maker. Veeva Systems gained 6% after its board approved a new $2 billion share repurchase program.