NBCNews.com | Oil Prices Swept Lower After Brussels Blasts Spook Investors NBCNews.com Oil prices fell on Tuesday, swept lower by investor nervousness after deadly blasts in Brussels prompted a flight towards so-called safe-haven assets such as gold. As many as 13 people were killed on Tuesday in explosions in Brussels and another 35 ... US oil ends at $39.91, up 47 cents, or 1.19 pct Oil market rattled by deadly Brussels blasts Oil Prices Move Lower After Brussels Blasts |