The U.S. stock market weakened on Thursday, with the pharmaceutical sector down about 1%, a day ahead of a speech Federal Reserve chairwomen, Janet Yellen. The pharmaceutical sector continued the largest daily decline since June 24 on Wednesday after presidential candidate Hillary Clinton download tweet about rising drug prices an EpiPen belongs to Mylan.
The third major Wall Street indexes moved in narrow ranges, with the transaction volume and low volatility. Until Thursday, S&P 500 index records the movement strengthened nor weakened less than 1% in 34 consecutive sessions.
Economic data from the US showed weekly unemployment benefit claims dropped to 261,000 on last week from the previous week's 262,000. Core durable goods orders sped up 1.5% in July, from previously-0.4%, and well above the forecast of 0.4%.
The Dow Jones index weakened 0.18% to 18448.41, 500 S&P down 0.14% to 2172.47, and the Nasdaq ended up losing 0.1% to 5212.20. For the first time in the last two months the Nasdaq registered a daily decline streak.