US STOCKS-S&P edges closer to record high; energy shares lead
* S&P 500 nears 2015 record high
* Oil prices hit 2016 highs
* Biogen, Alexion drop after drug trial failures
* Dow up 0.3 pct, S&P up 0.3 pct, Nasdaq down 0.04 pct (Updates to late afternoon)
By Caroline Valetkevitch
June 7 (Reuters) - The S&P 500 rose to within 15 points of its record high on Tuesday, helped by a big jump in energy shares and enthusiasm following Federal Reserve Chair Janet Yellen's speech this week.
Volume was relatively light, though, and the Nasdaq was slightly lower. Biotech shares dropped following disappointing news from several key companies including Biogen. The Nasdaq Biotech Index was down 2.2 percent.
Giving the S&P 500 its biggest boost, the S&P energy index jumped 2.3 percent and was on track for its best two-day percentage gain since March. Oil prices reached 2016 highs due to supply constraints and a weak dollar.
Gains this week have once again put the S&P 500 within striking distance of record highs reached in May 2015. Comments from Yellen on Monday seemed to ease some worries about the economy while underscoring views the Fed may be in no rush to raise rates. Continuación...