If you'd told investors what was going to happen in 2012 — U.S. economic growth at stall speed, an intensifying European debt crisis, a slowdown in China, fiscal deadlock in Washington, decelerating corporate earnings growth — and asked how the stock market would perform, few would have predicted a good year.
But that's just what they got.
The Dow Jones Industrial Average, the Standard & Poor's 500 and the Nasdaq composite index will all end the year substantially higher, despite losing ground in the final days of year as concerns about the looming "fiscal cliff" mounted.
The Dow posted a 7 percent increase, its fourth yearly gain in a row, having started the year at 12,217. The S&P 500, which started the year at 1,257, was up 13 percent, beating the 7.8 percent average annual gain of the past 20 years. The Nasdaq also logged a better-than-average gain, 16 percent.
Those returns were higher when dividend payments were taken into consideration. On that basis the Dow returned 10 percent, the S&P 500 index 15 percent and the Nasdaq 16 percent.
"There's been a lot thrown at this market, and it's proven to be very resilient," said Gary Flam, a portfolio manager at Bel Air Investment Advisors in California. "Here we are at the end of the year, and it's still relatively strong."
Stocks started the year on a tear, with optimism about an improving job market and a broader economic recovery providing the backdrop to the S&P 500's best first-quarter rally in 14 years.
The index advanced 12 percent by the end of March, closing the quarter at 1,408, its highest in almost four years, with financial companies and technology firms leading the charge. The Dow ended the first quarter at 13,212, logging an 8 percent gain.
Apple was one of the star performers of the first quarter and was probably the year's most talked-about company.
The popularity of the iPhone and iPad led to staggering sales growth that helped push its stock up 48 percent to almost $600 at the end of March. Apple also announced a dividend and overtook Exxon Mobil as the U.S.'s most valuable company.
Investors' optimism faded, though. The intensifying European debt crisis and concerns about the impact that it would have on global economic growth prompted a sell-off.
Within two months, by the start of June, U.S. stocks had given up the year's gains. Borrowing costs for Spain surged and investors fretted over the outcome of Greek elections that had the potential to pull the euro currency bloc apart.
The outlook for growth in China, the world's second-largest economy, also began to weigh on investors' minds. Economic growth there slowed to 8.1 percent in the first quarter as export demand waned, and investors worried that it would keep falling.
The Dow fell as low as 12,101 June 4. The S&P dropped to 1,278 June 1.
The second quarter was also marred by Facebook's initial public offering.
The stock sale was one of the most keenly anticipated initial public offerings in years, but investors didn't "like" the $16 billion market debut. The social network priced its IPO at $38 per share, and the stock started to fall soon after the first day of trading on concern about the company's mobile strategy.
Facebook closed as low as $17.73 on Sept. 4 before recovering some of the ground it lost.
Company earnings reports were also starting to make uncomfortable reading for investors. Earnings growth for S&P 500 companies fell as low as 0.8 percent in the second quarter, according to S&P Capital IQ data.
The stock market only recovered its poise after the European Union put together loans to bail out Spain's banks on June 10 and the head of the European Central Bank, Mario Draghi, pledged to do "whatever it takes" to save the euro.
Speculation that the Federal Reserve was set to provide the economy with more stimulus to prevent it from slipping back into recession also bolstered stocks.
The rally even survived a blip when a software glitch at trading firm Knight Capital threw stock prices into chaos Aug. 1.
The firm said the problem was triggered by new trading software it installed. Erroneous orders were sent to 140 stocks listed on the New York Stock Exchange, causing sudden price swings and surging trading volume.
Apple launched the iPhone 5, the latest version of its smartphone, in September, and the company's stock climbed to a record close of $702.10 on Sept. 19. That gave Apple a market value of $658 billion, and many analysts predicted more gains lay ahead.
By the time Fed Chairman Ben Bernanke announced Sept. 13 that the U.S. central bank would start a third round of its bond-purchase program, which is intended to push longer term interest rates lower and encourage borrowing and investment, the S&P 500 had surged 14 percent from its June 1 low. A day later, the index peaked at five-year high of 1,466. The Dow Jones reached its peak for the year of 13,610, Oct. 5.
As is often the case on Wall Street, investors "bought the rumor and sold the fact," and quickly turned their attention to the challenges that lay ahead.
Analysts had also been cutting their outlook for growth in the final quarter of the year. At the start of the second quarter, estimated earnings growth for the period was 15.7 percent. That forecast had fallen to 3.4 percent by Dec. 27.
"One of the blessings that supported the stock market's moves in prior years was earnings growth," said Lawrence Creatura, a portfolio manager at Federated Investors. "That's true this year, but at a decelerating rate. It's not gone unnoticed that earnings growth is slowing, and many forecasts now include a full stall."
Apple's halo also began to slip in the final three months of the year. Its iPad Mini tablet, launched Nov. 2, met with lukewarm reviews, there were hints of unrest among its executive ranks. Investors began to fret that the intensifying competition in the smartphone market would crimp Apple's profits. The stock tumbled, and despite rallying in recent days is still down 27 percent from its September peak.
The year's final twist came in Washington.
Stocks wavered ahead of a presidential election that at times seemed too close to call, and while President Barack Obama ultimately reclaimed the White House by a comfortable margin, the Republicans retained control of the House.
The divided government set the stage for a tense end to the year as Democrats and Republicans sought to thrash out a budget plan that would avoid the U.S. falling off the "fiscal cliff," a series of tax hikes and government spending cuts that economists say would push the economy back into recession.
Initially, markets fell as much as 5 percent in the 10 days after the elections as investors worried that a divided government would not be able to agree on a budget plan to cut the U.S. deficit.
While the S&P 500 managed to recoup those losses by December on optimism that a deal would be reached, some investors are still urging caution. Any agreement will still be "ill-tasting medicine" to the economy, as it will almost certainly involve both spending cuts and tax hikes, says Joe Costigan, director of equity research at Bryn Mawr Trust Company.
"The question is, how much will the drag from the government be offset by business and personal spending," says Costigan. "The market has reasonable expectations for growth priced in, so I don't think we're going to see a big run-up."
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