Gilead leads biotech stocks lower after earnings
The S&P 500 is off session lows (-0.8%) with a current 0.1% decline. Biotech stocks are among today's weakest performers, evidenced by the 2.4% decline in the iShares Biotechnology ETF (IBB 133.85, -3.17, -2.3%). Gilead Sciences (GILD 69.22, -3.11, -4.3%) is a notable laggard after the company missed top and bottom-line estimates. Looking ahead, Tyson Foods (TSN 60.89, -0.68, -1.2%) and Clorox (CLX 234.93, +3.67, +1.6%) are some notable companies that will report earnings Monday morning.