A notorious market bear says inexperienced 'zombie investors' are fueling a stock-market bubble — and warns that even the Fed won't be able to prevent another 30% crash

· Retail traders who are speculating on cheap companies risk getting wiped out by another stock-market crash, says Albert Edwards, a global strategist at Societe Generale.  
· He says investors wrongly believe the Federal Reserve is all-powerful, and doubts that its intervention will avert another downturn of as much as...