Get caught up quickly on the top news and calls moving stocks with these five Top Five lists. 

1. STOCK NEWS: 

• PayPal (PYPL) provided a "beat and raise" report for Q2, named Blake Jorgensen CFO, announced buyback and cost-cutting plans and an agreement with activist shareholder Elliott [more]
• CVS Health (CVS) also provided a "beat and raise" report for Q2, with the company saying it posted "strong" results across all its business segments [more]
  
• Semtech (SMTC) agreed to acquire Sierra Wireless (SWIR) for $31 per share in an all-cash transaction [more]
  
• Ping Identity (PING) agreed to be acquired by Thoma Bravo for $2.8B [more]
  
• Robinhood (HOOD) reported downbeat Q2 revenue and announced it would lay off 23% of its workforce amid reduced customer activity [more]
  

2. WALL STREET CALLS: 

• Uber (UBER) upgraded to Outperform from Market Perform at Raymond James [more]
• Esperion (ESPR) downgraded to Underperform from Neutral at Credit Suisse [more]
  
• Citi upgraded Mosaic (MOS) and CF Industries (CF) to Buy from Neutral [more]
  
• Caterpillar (CAT) downgraded to Market Perform from Outperform at Bernstein [more]
  
• XPeng (XPEV) downgraded to Neutral from Outperform at Macquarie [more]
  

3. AROUND THE WEB: 

• Atlas Air (AAWW) is near a deal to be acquired for $102.50 per share, Bloomberg reports [more]
• Tesla (TSLA) is testing a new version of Solar Roof in employees' homes, Electrek reports [more]
  
• UnitedHealth (UNH) suspended its Amil sale process after struggles, Reuters reports [more]
  
• David Zaslav plans to announce major changes at Warner Bros. Discovery (WBD), Fox Business Network reports [more]
  
• Nissan (NSANY) is planning a monthly electric vehicle rental system, FT reports [more]
  

4. MOVERS: 

• Alnylam (ALNY) jumps after announcing its APOLLO-B Phase 3 patisiran study met its primary endpoint [more]
• Tupperware Brands (TUP) higher after reporting quarterly results [more]
  
• Alteryx (AYX) increases after reporting quarterly results and providing Q3 and FY22 guidance [more]
  
• Infinera (INFN) falls after announcing a $275M convertible notes offering [more]
  
• Horizon Therapeutics (HZNP) declines after reporting Q2 results and after cutting its FY22 revenue guidance [more]
  

5. EARNINGS/GUIDANCE: 

• Airbnb (ABNB) reported upbeat Q2 earnings and announced a $2B share buyback program [more]
• Yum! Brands (YUM) reported downbeat Q2 earnings [more]
  
• Starbucks (SBUX) reported upbeat Q3 results [more]
  
• Match Group (MTCH) reported lower-than-expected Q2 results and announced the departure of Tinder CEO Renate Nyborg [more]
  
• AMD (AMD) reported upbeat Q2 results and reiterated its FY22 revenue guidance [more]
  

INDEXES: 

Near midday, the Dow was up 353.18, or 1.09%, to 32,749.35, the Nasdaq was up 266.38, or 2.16%, to 12,615.14, and the S&P 500 was up 53.85, or 1.32%, to 4,145.04.