S&P 500 Up on Healthcare Stock Surge, Blackrock Earnings; Netflix Down on Earnings, Cruise Line, Airline, Oil Stocks Fall on Fears of Stalling Recovery

The S&P 500 Index (SNPINDEX: ^GSPC) closed the week up 0.37% on July 17, closing a mixed week up about 1.5%. Today's gains were driven by the healthcare sector; more than a dozen of the index's best-performers today included companies like Intuitive Surgical (NASDAQ: ISRG), Align Technology (NASDAQ: ALGN), Boston Scientific (NYSE: BSX), and Stryker Corp (NYSE: SYK), all up more than 3% to close out the week. 

Asset management giant Blackrock Inc (NYSE: BLK) stock gained 4% today following the company's earnings report, on strong growth in demand for bonds during the recession.  

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Source Fool.com