The bull and bear bronze statue stands outside the stock market, Deutsche Boerse AG, in Frankfurt, Germany.Michael Probst/The Associated Press
Inside the Market's weekend roundup of some of this week's best investing reads on the Internet, which are highlighted every morning in our Before the Bell report.
Market trends
Five signs the market bulls are wrong. And while we're sounding alarm about the U.S. stock market's record journey, here's a piece on how investors are not appreciating the full risk of another 1999-style bubble. Also take note that inflows into U.S. equity funds have hit the highest level since 2000 - just before the last tech bubble burst.
Becoming worried? Then take a look at what the final 20 days of a bull market looks like.
A close look at history though shows the irrational exuberance that is very much in evidence right now tells us little more than that the market is vulnerable to a short-term decline lasting little more than a month — maybe three.
Not many predicted this: Greek stocks, once shunned by investors concerned that a default would force the nation out of the euro, are beating almost every market in the world.
What a Tesla top could mean for all stocks.
Agricultural commodities like corn are extremely oversold.
Economy
The emerging threat to the Japanese economy: Its young people have stopped having sex.
The Citigroup Economic Surprise Index, a popular measure that tracks how economic data progress relative to the consensus forecasts of Wall Street economists, has been headed straight down and is close to going negative.
Tech
No one seems all that interested in the Twitter IPO according to what readers are clicking on at news websites. But hedge fund manager Doug Kass certainly is. He says he's now "manifestly bullish" on the microblogging platform.
The influential AllThingsD blog is giving the iPad Air a glowing review.
Facebook is testing software that would enable it to track your cursor.
The decline of Wikipedia.
Huh? Yahoo CEO Marissa Mayer just bought a funeral home.
Gurus
Warren Buffett, who aims to have $20-billion in cash at his Berkshire Hathaway Inc., isn't investing fast enough to keep money from piling up.
Bill Gross feels really bad that he is so rich.
Insight
Despite the run-up in equity prices, value investors can still find stocks that should outperform.
How to construct a portfolio if you are going to be stranded on a deserted island for the next decade.
Target-date funds plus a long-time horizon usually pays off.
ETFs
The 10 most popular U.S.-listed ETFs so far this year. And, here's the 10 least popular ETFs.
Darcy Keith