Stock Market Update

[BRIEFING.COM] The S&P 500 (-1.6%), Nasdaq Composite (-2.1%), and DJIA (-1.1%) are charting session lows as the market enters the final hour of this week's action. 

Losses have widened across most sectors, with the top-weighted information technology sector (-2.1%) now trading in negative week-to-date territory. 

Semiconductor names are under pressure this week, with the PHLX Semiconductor Index down 3.2% today. Memory storage stocks such as Sandisk (SNDK 709.03, -63.06, -8.17%) and Western Digital (WDC 294.97, -21.96, -6.93%) have given up roughly half of this week's gains today, while Micron (MU 421.96, -22.31, -5.02%) sees an extension of its post-earnings slide.