Editors' Picks

• 
  Costco thinks it can stand up to competition from Amazon, and so do analysts

  Costco believes it has a value proposition that can withstand the Amazon assault, and analysts agree.
• 
  Fitbit stock rocked by analyst downgrade to rare bearish rating

  Fitbit’s stock slumped on heavy volume toward the biggest drop in nearly five months, after Pacific Crest downgraded the maker of fitness-tracking wristbands to a rare underweight rating.
• 
  Nike’s gloomy outlook leads analysts to lower stock price targets

  Nike earnings beat estimates, but slowing future orders, especially for North America, give analysts pause.
• 
  Buying Twitter would be a ‘dumb’ idea for Salesforce.com

  Analysts say Salesforce.com investors shouldn’t be too worried about talk of the company buying Twitter, as it would be a “dumb” idea and way too expensive.