ISTANBUL US stocks closed mostly lower Tuesday after a highly volatile trading session driven by sharp swings in oil prices as investors reacted to rapidly changing developments surrounding the war with Iran. The Dow fell 0.07%, or 34.29 points, to 47,706.51; the S&P 500 was down 0.21%, or 14.51 points, to 6,781.48. On the other hand, the Nasdaq Composite rose 0.01%, or 1.16 points, to 22,697.10. The Volatility Index (VIX), also known as the “fear index,” fell 2.24% to 24.93 as markets