Why the Stock Market Could Crash

At the most basic level, a share of stock entitles you to a share of profits -- and profits are what ultimately bolster a stock price. Recently, profits have been at all-time highs -- not only nominally, but as a percentage of GDP. Some observers believe this trend is unsustainable and that corporate profits will revert to their historical mean. And if profits do fall and revert to the mean, stock prices will fall as well.

Why does all this matter right now? Because profits this past quarter just fell by a significant amount.

The numbers

As a percentage of GDP, corporate profits have averaged 6.2% of GDP since 1947. Today, they hover around 11%. Against the recent upward trend, however, the latest quarter's profit numbers have fallen. Corporate profits after tax dropped 2% from the fourth quarter of 2012. That's the biggest drop since the first quarter of 2011, a year when the S&P 500  (SNPINDEX: ^GSPC  ) ended flat. The difference now, though, is that profits are even higher and have further to fall if they do revert.

Some commentators argue that there's been a fundamental change in our economy's structure and that corporate profits won't necessarily return to that historical mean. That is, innovations such as computers and the Internet help companies book more profit than they could in the past.

As James Surowiecki of The New Yorker writes:

The underlying issue is that in recent decades there's been a shift in the U.S. economy: It's become far more congenial to businesses and investors. The fundamental trends that have driven the profit boom are unlikely to be reversed.

The changes he highlights are historically low corporate taxes, American companies that are grabbing profits overseas, and a weak labor market.

Of course, there are counterarguments to each of those points.

Corporate tax hounding
Surowiecki notes:

In 1951, corporations had to pay almost half of reported profits in taxes. In 1965, they had to pay more than thirty per cent. Today, they pay only around twenty per cent.

And now, with fewer taxes from corporations, governments strain to stay afloat. Stockton, Calif., declares bankruptcy, and Detroit hires emergency financial managers. But governments are fighting back. Apple  (NASDAQ: AAPL  ) was questioned before a Senate subcommittee to figure out how it lessens its tax burden, which the Senate's report claimed amounted to $10 billion in tax avoidance per year. While the federal corporate tax rate is set at about 35%, Apple's 2011 annual report showed a federal tax rate of 20%, but its IRS returns recorded a payment that amounted to only a 7% tax rate.

Governments will be looking to tighten loopholes and take a greater share of corporate profits to sustain themselves.

Overseas profits
Surowiecki cites a study that says, on average, that an S&P 500 company earns 46% of profit from abroad. That's a completely different picture from even a decade ago. However, America is now often cited as the strongest economy while Europe deals with its economic crises and China fights falling growth. In addition, the latest Bureau of Economic Analysis numbers show that "the rest-of-the-world component of profits decreased $33.0 billion in the first quarter, in contrast to an increase of $24.1 billion in the fourth."

Weak labor
Surowiecki's final point rests on a weak labor market that has lost negotiating power with employers. The result is lower wages for workers but higher profits for the company. This factor might stick around awhile, as even though the unemployment rate is falling, it's taking a while to return to what is considered normal. Of course, there is always populist pressure to return more profits to workers. Take the Occupy protests, for example, or the Federal Minimum Wage Act of 2013, which would increase the minimum wage from $7.25 per hour to $10.10 per hour by 2015.

A profit top or a temporary dip
There were previous dips in corporate profits while they've marched to their historic highs, and it will take a few more data points before confirming any trends. These are definitely things to keep an eye on, as stock prices are ultimately based upon future profits.

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Comments from our Foolish Readers

Help us keep this a respectfully Foolish area! This is a place for our readers to discuss, debate, and learn more about the Foolish investing topic you read about above. Help us keep it clean and safe. If you believe a comment is abusive or otherwise violates our Fool's Rules, please report it via the Report this Comment Report this Comment icon found on every comment.

  • Report this Comment On June 01, 2013, at 9:32 AM, hoadhead wrote:

    The problem with government is spending, not the corporate tax structure you liberal hack!

  • Report this Comment On June 01, 2013, at 9:54 AM, wolfman225 wrote:

    "Governments will be looking to tighten loopholes and take a greater share of corporate profits to sustain themselves."

    This could've been shortened to "Governments will be looking to take."

    Just what do they think the reaction will be? Governments always insist on the belief that corporations (and citizens) will simply roll over and accept the new levies without complaint.

    I see at least three possibilities: The corporations will find new and more innovative ways to avoid the tax, they will raise prices and costs to the consumer, or they will decide that after a certain point the tax burden is such that further production isn't profitable and stop producing, creating shortages an increasing costs even more.

    Companies don't (and shouldn't) have to answer to the government first. Their first obligation is to create a profit for themselves and their shareholders, not to simply provide revenue to Washington.

  • Report this Comment On June 01, 2013, at 10:49 PM, ScottAtlanta wrote:

    lol at first two Antionettes....there are more people...they will always win...

    I don't think there's gonna be a crash....everyone finds some # or trend etc. to point to as an indicator that "it's gonna crash".....including the writer of this article.

    But the trend line for progress, no matter how you measure it....has always been UP.

    So after recent CRASH of '08 and "great recession" the trend line is going to go UP not only to the point it was at, but beyond, b/c we have moved further along in time....(during that time technology, efficiencies etc.)

    It makes sense that we would pass highs b/f the crash, and pass it in a bullish manner -- Given the history of the market and progress of societies.

    More profits for corps despite coming out of the "great recession"...? This is another sign of progress and signals that they can give more back to societies from which they take -- for even more societal progress (e.g., preK for all America so our society is smarter, healthier, etc.).

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