U.S. stocks wrap wild trading day sharply lower

The U.S. stock market suffered some of its most violent price swings since mid-October on Tuesday, as investors wrestled with volatility in oil and growing turmoil in Russia, exemplified by a spectacular decline of the ruble.

The S&P 500 SPX, -0.85%  ended at session lows, trading in a range of nearly 45 points. The benchmark index closed 16.89 points, or 0.9%, lower at 1,972.74. Energy-related stocks, which have been battered over the past several weeks, rose more than 1%, and industrials and telecoms also ended higher.