The information-technology sector of the S&P 500 was down 4.4% from the end of October through Nov. 13. The sector's worst performer for that period was Super Micro Computer, whose stock fell 32.5%.

The healthcare sector has experienced a 0.79% decline year-to-date, making it the worst performer among the S&P 500’s 11 sectors and the only one in negative territory. But unlike other market-lagging ...

Healthcare stocks have been among the worst-performing sectors over the last year. But Dominic Pappalardo, the chief multi-asset strategist at Morningstar Wealth, thinks the sector is poised for a ...