Altogether, the five companies make up 21.6% of the S&P 500's entire market value, according to FactSet. That's actually down from the nearly 24% they accounted for at the end of August. But it's a reassertion of their strength after that figure shrunk to 20.7% at the end of March, according to S&P Dow Jones Indices.from Stocks-Markets-Economic Times
Read The Rest:economictimes...
