Traders work on the floor of the New York Stock Exchange (NYSE) in New York City on Feb. 15, 2011, the day it was announced that NYSE Euronext, the parent company of the NYSE, would merge with the Germany’s Deutsche Boerse to form the world’s largest exchange for stocks and derivatives.
US stocks ended 2012 higher than a year ago, boosted by their strongest day in more than a month, Reuters reported.
In the last trading day of 2012, the Dow Jones industrial average rose 166.03 points, or 1.28 percent, to finish at 13,104.14. The Standard & Poor's 500 Index increased 23.76 points, or 1.69 percent, to close at 1,426.19. And the Nasdaq Composite Index increased 59.20 points, or 2 percent, to 3,019.51.
The Dow ended the year 7.3 percent higher, the Nasdaq increased 15.9 percent and the S&P 500 gained 13.4 percent, Reuters reported.
Financials were the S&P's top performing industry sector in 2012, rising more than 26 percent, Reuters reported.
Stocks rallied today after Sen. Mitch McConnell said that Congressional leaders were "very, very close" to a deal that would prevent tax increases, and President Barack Obama gave a mid-afternoon speech that reassured investors that a deal was near, the Wall Street Journal reported.
More from GlobalPost: Obama speaks on fiscal cliff hours before deadline (VIDEO)
Joe Heider, regional managing principal at Rehmann Financial in Ohio, said markets have priced in some kind of last-minute resolution but if it turns out that a deal isn't reached by midnight, stock markets would likely decline by a few percentage points on Wednesday.
"Maybe it's wishful thinking, but I really think they'll come to a 5,000-foot level agreement," he said. "If a deal collapses, we are likely to experience a selloff on Wednesday."
More from GlobalPost: Gold futures price rises 7% in 2012, posts longest winning streak in decades
The World is an independent newsroom. We’re not funded by billionaires; instead, we rely on readers and listeners like you. As a listener, you’re a crucial part of our team and our global community. If you’ve been thinking about making a donation, this is the best time to do it. Your support is vital to running our nonprofit newsroom, and we can’t do this work without you. All donations between now and June 30 will be matched 2:1. Will you help keep our newsroom on strong footing by giving to The World?