Stocks Retreat as Tech Rally Cools Off on Samsung Warning
- Stocks moved lower on Tuesday as tech rally lost steam after Samsung profit warning
- Dow Jones Industrial Average slipped 0.5% or about 200 points
- S&P 500 shed nearly 0.6%; Nasdaq Composite retreated about 0.7%
- Samsung expects 35% drop in Q4 operating income, missing estimates
- Oil prices rose over 2%, recouping some of Monday's nearly 4% fall