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: 

• Facebook (FB) CEO Mark Zuckerberg said that SEV that took down the company's services was the "worst outage in years" [more]
• Southwest Gas (SWX) agreed to acquire Questar Pipelines from Dominion Energy (D) for $1.545B [more]
  
• Constellation Brands (STZ) reported mixed Q2 results [more]
  
• General Motors (GM) sees doubling annual revenues by 2030 with increased margins [more]
  
• Starboard's Jeff Smith said he has had "very good" conversations with Huntsman (HUN), also names Elanco (ELAN) and Colfax (CFX) as investment ideas [more]
  

2. WALL STREET CALLS: 

• Morgan Stanley cuts Seagate (STX) to Equal Weight amid IT Hardware industry downgrade [more]
• American Airlines (AAL) downgraded to Sell from Neutral at Goldman Sachs [more]
  
• U.S. Steel (X) downgraded to Sell from Neutral at Goldman Sachs [more]
  
• Citi would be sellers of Palantir (PLTR) amid rally, says Army contract not new [more]
  
• Martin Marietta (MLM) Vulcan Materials (VMC) both upgraded to Buy at Loop Capital [more]
  

3. AROUND THE WEB: 

• Scorpion Capital called Ginkgo Bioworks (DNA) a "colossal scam" in a short report [more]
• Boeing (BA) is set to unveil an air-freight verison of its 777X jetliner, Bloomberg reports [more]
  
• Nvidia (NVDA) has offered concessions to the EU for its proposed $54B Arm deal, Reuters says [more]
  
• Tesla (TSLA) could move its headquarters to Austin, Texas, Business Insider reports [more]
  
• Starboard has a Colfax (CFX) position, calls company "undervalued," Reuters says [more]
  

4. MOVERS: 

• Palantir Technologies (PLTR) rises after being selected by the U.S. Army to deliver the Army’s intelligence data fabric and analytics foundation from the Capability Drop 2 program [more]
• Affirm (AFRM) increases after Target (TGT) announced it will be partnering with Affirm and Sezzle to add new buy now, pay later payment options [more]
  
• The RealReal (REAL) higher after reporting its September gross merchandise volume [more]
  
• Manchester United (MANU) lower in New York after announcing a 9.5M share offering priced at $17.50 [more]
  
• Gogo (GOGO) falls after Morgan Stanley analyst Landon Park downgraded the stock to Underweight from Equal Weight with a $14 price target [more]
  

5. EARNINGS/GUIDANCE: 

• Acuity Brands (AYI) reported better than expected Q4 results [more]
• Nu Skin (NUS) lowered its Q3 revenue guidance [more]
  
• RPM (RPM) reported upbeat Q1 results [more]
  
• Saratoga Investment (SAR) reported better than expected Q2 earnings [more]
  
• Voyager Digital (VYGVF) provided Q1 revenue guidance [more]
  

INDEXES: 

Near midday, the Dow was down 320.24, or 0.93%, to 33,994.43, the Nasdaq was down 59.20, or 0.41%, to 14,374.63, and the S&P 500 was down 33.34, or 0.77%, to 4,312.38.