LPL Financial Weekly Market Commentary for February 7, 2011

by Rose Greene, CFP on February 8, 2011

Do Rising Bond Yields Pose A Problem For Stocks?

Jeffrey Kleintop, CFA
Chief Market Strategist
LPL Financial

Highlights

  • As the 10-year Treasury yield approaches 4%, investors are beginning to wonder when rising interest rates may start to negatively affect stock prices.

  • While rising interest rates may eventually pose a problem for stocks as the mountain of debt and rising commodity prices build, the tipping point of 5% is still a significant distance away.

  • In the meantime, rising yields are good news for stocks.

After being stuck in a tight range around 3.5% since mid-December, the yield on the 10-year Treasury note jumped higher to 3.65% last week. This rise was in response to the generally stronger economic data and the inflation signal coming from higher commodity prices. The yield on the 10- year Treasury note has risen by about 1.25% percentage points to 3.65% from 2.39% four months ago.

With yields now climbing towards 4%, investors are beginning to wonder when rising interest rates may start to negatively affect stock prices. Higher yields can slow borrowing and spending, weighing on economic and profit growth. If this pace of rising yields were to continue over the next four months, they could reach nearly 5% by this summer, a level not seen since July of 2007. While higher rates are bad news for bond investors, the good news is that rising yields may mean rising stock prices at least for some time yet. It is at 5% where yields begin to become a negative for stocks.

Historically, whenever the yield on the 10-year Treasury note was below 5% stock prices and bond yields moved in the same direction, as measured by a 52-week rolling correlation above zero. When the yield was below 5%, bond yields and stock prices rose together [Chart 1].

The opposite was true when yields were above 5%. Yields were above 5% during the period from the late 1960s through the end of the 1990s. Then, the correlation between stock prices and bond yields was below zero. In general, during that period as yields rose stock prices fell.

The reason for the different relationship above and below 5%, and why rising yields are good news for stocks right now, has to do with economic growth and inflation.

When yields were rising from a low level they reflected improving growth and low inflation which was a favorable environment for stocks.

When yields were rising above 5%, economic growth was accompanied by higher inflation which threatened future growth, eroded the present value of future earnings, and acted as a drag on stocks.

While rising interest rates may eventually pose a problem for stocks as the mountain of debt and rising commodity prices build, the tipping point of 5% is still a significant distance away. As economic data continues to reflect solid growth in the coming months, bonds yields and stock prices are likely to continue their climb.

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