Dow tumbles 1,000 points as Wall Street fears a prolonged war with Iran

By John Towfighi, CNN New York (CNN) — Global stocks remained volatile for a second day Tuesday, moving sharply lower as concern mounted among investors that the widening conflict in the Middle East could escalate further. The Dow tumbled 1,040 points, or 2.14%, shortly after the market open. The S&P 500 and tech-heavy Nasdaq sank