Dow soars more than 550 points as Wall Street embraces optimism that government might reopen soon

By John Towfighi, CNN New York (CNN) — The Dow surged higher on Tuesday, bolstered by optimism that the US government shutdown might come to an end this week. The Dow gained 559 points, or 1.18%, and closed at a record high of 47,927.96. The broader S&P 500 gained 0.21%. Meanwhile, the tech-heavy Nasdaq Composite