SmartMoney.com: Invest

1. Psychoanalyzing Facebook's 'Like' Button
   Pay Dirt: New research finds that people who "like" an inordinate number of Facebook status updates may be mentally unstable.

   
   

   
2. Why a 'Balanced' Portfolio May Not Work
   Arends: That 60/40 portfolio of stocks and bonds your adviser is pushing might not work.

   
   

   
3. J.P. Morgan May Turn Loss Into Gain
   Real-Time Advice: The firm's derivatives flop could prove lucrative for its share repurchase plan, writes Jack Hough.

   
   

   
4. Best and Worst Brokers of 2012
   Brokers are luring investors with high-tech tools and more. Our annual survey ranks the good and the bad.

   
   

   
5. Gas Pains Bring Investor Gains
   Hough: Where to look now that natural gas stocks are out of steam.