Nasdaq 5,000: The cure or curse for biotech stocks – CNBC.com

The Nasdaq composite remains heavily weighted toward technology, thanks to Apple’s record market valuation near $750 billion. But tech’s weighting is down sharply from the Nasdaq’s peak, while the financial, consumer services and health-care sectors have seen their weightings more than double within the composite. [See table below.]Health care’s weighting in the composite is now 16 percent, which is comparable […]