Get caught up quickly on the top news and calls moving stocks with these Top Fives, as compiled by the editors of The Fly. 

1. STOCK NEWS: 

• Jack in the Box (JACK) agreed to acquire Del Taco (TACO) for $12.51 per share in cash in a deal valued at $575M, including debt [more]
• Engine Capital is urging Kohl's (KSS) to separate its e-commerce business and pursue a sale [more]
  
• Lucid Group (LCID) said it received a subpoena from the SEC on December 3 [more]
  
• Digital World Acquisition (DWAC), the SPAC that has agreed to merge with Trump Media, has received "fact-finding inquiries" from regulatory authorities including the SEC [more]
  
• Alibaba (BABA) said Toby Xu will become its next CFO, succeeding Maggie Wu [more]
  

2. WALL STREET CALLS: 

• Rivian (RIVN) called "the one" to challenge Tesla as Wall Street analysts roll out coverage [more]
• HSBC upgrades Meta (MVRS) to Hold after 19% selloff from peak [more]
  
• Apple (AAPL) initiated with an Overweight rating, $191 price target at KeyBanc [more]
  
• Citi upgrades Electronic Arts (EA) to Buy, says most downside risk priced in [more]
  
• Chewy (CHWY) downgraded to Neutral, Petco (WOOF) upgraded to Outperform at Wedbush [more]
  

3. AROUND THE WEB: 

• The SEC has opened a probe into Tesla (TSLA) over solar panel whistleblower claims, Reuters reports [more]
• Bitcoin dropped sharply during a weekend plunge, Reuters says [more]
  
• Apollo Global (APO) is dropping the pursuit of its bid for Metro Bank (MBNKF), Bloomberg reports [more]
  
• Uber (UBER) is in talks with unit Careem over bringing in outside investors, Reuters reports [more]
  
• Discovery (DISCA) is in talks to create a joint venture with BT Sport, FT reports [more]
  

4. MOVERS: 

• Adicet Bio (ACET) surges after announcing interim data from the Phase 1 study of ADI-001 [more]
• GCP Applied Technologies (GCP) rises after agreeing to be acquired by Saint-Gobain (CODYY) for $32 per share [more]
  
• Spirit Airlines (SAVE) higher after Evercore ISI analyst Duane Pfennigwerth upgraded the stock to Outperform from In Line [more]
  
• Aeglea BioTherapeutics (AGLE) falls after announcing its PEACE trial met the primary endpoint with a statistically significant reduction in plasma arginine from baseline after 24 weeks of treatment with pegzilarginase [more]
  
• Bolt Therapeutics (BOLT) lower after reporting interim data from its BDC-1001 Phase 1/2 trial [more]
  

5. EARNINGS/GUIDANCE: 

• Ollie's Bargain Outlet (OLLI) provided downbeat FY21 earnings guidance [more]
• GH Research (GHRS) reported upbeat Q3 earnings [more]
  
• SAIC (SAIC) reported upbeat quarterly results [more]
  
• Byrna Technologies (BYRN) reported upbeat preliminary Q4 revenue [more]
  
• DLH Holdings (DLHC) reported mixed Q4 results [more]
  

INDEXES: 

Near midday, the Dow was up 633.86, or 1.83%, to 35,213.94, the Nasdaq was up 74.68, or 0.50%, to 15,160.15, and the S&P 500 was up 48.37, or 1.07%, to 4,586.80.