Tag Archives: Amazon

Is Twitter the Canary in the Coal Mine?

Investors are shrugging off the suggestion that stocks are over-valued or that the technology innovators are a one-way path to riches if the year-to-date performance of Tesla Motors (TSLA) and Facebook (FB) are any indication. Twitter’s stock (TWTR), which soared from a $45 closing price on its first day of trading (November 7, 2013) to a high of $73.30 on December 26, has fallen 32% since the start of 2014. Twitter is now trading at slightly below $45. Given the excitement surrounding the Twitter IPO less than six months ago, what does this apparent reversal of (expected) fortunes suggest? It is certainly too soon to conclude that a business model that made sense at the IPO has proven to be faulty. Does Twitter’s dramatic decline signal a shift in investors’ willingness to bet heavily on a future earnings stream that is almost impossible to predict? Continue reading

Game Theory, Behavioral Finance, and Investing: Part 3 of 5

In this post, I continue the discussion of behavioral finance with examples of some of the key behavioral biases and where they can be seen in recent market behavior.  The specific focus of this post is those biases that drive investment fads and bubbles.

Recency Bias

It is almost invariably the risk that we ignore that really hurts us.  The market today is, for the most part, discounting inflation risk.  Historically, inflation has been a major threat, especially to bond investors.  Today, with yields at historic lows, the implied inflation expectations are exceedingly low.  The process by which the market comes up with rationales as to why a risk, that has historically done major damage, no longer matters is at the heart of every bubble.  We have had the housing bubble (in which investors became convinced that houses were an infinite source of capital appreciation), the Tech bubble (in which investors decided that valuations based on earnings were irrelevant) and now the government debt bubble (in which investors are implicitly assuming that inflation risk is no concern).  The bubbles get out of control largely because people assume that what has worked recently will continue to work. Continue reading