| Similar Articles |
|---|
 |
The Motley Fool
July 13, 2009
Dan Caplinger |
Why You're Paying Too Much for These Stocks Don't make this common investing mistake. Each time you buy shares after an analyst's announcement, you pay a high cost -- one that eats into your long-term returns.   |
The Motley Fool
January 14, 2005 |
Understanding the "Efficient Market Theory" The efficient market theory, or EMT, is a theory suggesting that all available information about a stock is known and factored into its price. Thus, an investor shouldn't be able to find undervalued or overvalued stocks. |
The Motley Fool
November 3, 2009
John Rosevear |
A Stupid Idea That Deserves to Die If you think markets are efficient, I've got a bridge to sell you. |
The Motley Fool
February 23, 2011
Travis Hoium |
Commercial Vehicle Group Shares Plunged: What You Need to Know Shares of Commercial Vehicle Group fell 10% today after the company was downgraded by an analyst. |
The Motley Fool
May 5, 2005
Timothy M. Otte |
Behaving Like a Fool The debate between efficient markets and behavioral finance continues to rage in academic circles. Here are some of the key differences in the two approaches to the movements of stock prices. |
The Motley Fool
August 3, 2009
Dan Caplinger |
Recover Your Losses Without Getting Desperate Making money isn't just about adding risk. Should you increase the risk level in your portfolio to try to grab the best returns you can get? |
The Motley Fool
June 6, 2007
Nick Kapur |
A Superior Strategy for Remarkable Gains Don't get lost in Wall Street's endless tally of buy/sell/hold. If you've purchased a stock and you remain confident in its prospects, hold fast. Forget what the analysts have to say. |
Financial Advisor
August 2012
Jarrett Solomon |
The Inefficiency Of Efficient Frontiers Studies show that the theory behind the efficient frontier is much sounder than its real-world application. Theoretically, the advisor is always choosing an efficient portfolio: It is just a question of where on the frontier it is appropriate for each client. |
The Motley Fool
June 3, 2009
Rich Smith |
This Just In: Upgrades and Downgrades Wall Street stock shop Morgan Keegan initiated coverage on a pair of defense picks -- Lockheed Martin and General Dynamics -- saying each is destined to "outperform" the market. |
CFO
July 15, 2008
Alan Rappeport |
Game Theory Versus Practice More companies are using game theory to aid decision-making. How well does it work in the real world? |
Fast Company
February 2005
Martin Kihn |
You Got Game Theory! It was all such fun until we realized that no business really uses game theory. |
The Motley Fool
August 22, 2005
Mathew Emmert |
Dividend Stocks Beat the Market Let dividends lead you to miraculous investment returns. |
The Motley Fool
April 21, 2008
Dan Caplinger |
Thanks a Lot, Dow Theory Market timing can make you miss out on profits. |
Financial Advisor
March 2010
Alan Lavine |
Markowitz: MPT Holds Up Modern portfolio theory never claimed diversification would help during financial crises. |
The Motley Fool
January 12, 2012
Sean Williams |
Yingli Green Energy Shares Plunged Temporarily: What You Need to Know Shares of photovoltaic products manufacturer Yingli Green Energy are whipsawing wildly for a second day in a row following an analyst downgrade. Shares dropped 10% earlier in the trading session but have rallied to be down only 3% at the moment. |
The Motley Fool
May 19, 2008
Saibal Saha |
"Sell" Is a 4-Letter Word Wall Street analysts hate to put down stocks, but praising everything doesn't help either. Merrill Lynch is taking steps to change the system. |
The Motley Fool
April 9, 2009
Rich Smith |
This Just In: Upgrades and Downgrades JPMorgan's downgrade to neutral appears to have hurt fertilizer maker Mosaic's rally. |
Financial Planning
August 1, 2011
C. Thomas Howard |
Smarter Money When they do their job skillfully, active equity managers exploit market inefficiencies others choose to ignore. |
The Motley Fool
January 24, 2011
Chuck Saletta |
Bond Bubble Double Trouble When debt ratings fall as interest rates rise, bondholders can be in a world of hurt. |
The Motley Fool
September 15, 2009
Rich Smith |
This Just In: Upgrades and Downgrades Citigroup issues a couple of the first follow-on downgrades on PotashCorp and Mosaic, sending them each down more than a percent |
Science News
May 20, 2006 |
Science Safari: Darwin and Evolution This online exhibit is a fascinating account of how Charles Darwin developed his theory of evolution and how that theory is regarded today. |
Financial Advisor
December 2011
Scott MacKillop |
The Neutrino Factor Even Einstein's theory of relativity may have flaws. That should tell investment managers they should continuously question their own "truths." |
InternetNews
July 23, 2009 |
Technical Analysis: Dow Theory Turns Up An old theory gives its first clear buy signal since 2003. |
Financial Planning
September 1, 2011
Bob Veres |
Goodbye, Old Theory There's still a lot of unexplored terrain in the financial services field. |
Financial Advisor
February 2009
Mary Rowland |
Everyone Is Wrong The true source of market volatility is mistakes, says market observer Woody Brock, founder and president of Strategic Economic Decisions. |
The Motley Fool
March 15, 2005 |
"Initiating Coverage" Read Wall Street coverage of your stocks with a wary eye. |
BusinessWeek
February 20, 2006 |
"Economists Suffer from Physics Envy" In search of a better economics theory, MIT's Andrew Lo says evolutionary dynamics could shed light on why investors behave as they do |
InternetNews
April 8, 2008
Paul Shread |
AMD, Alcoa Get Earnings Season Off to a Tough Start AMD and Alcoa got first-quarter earnings reports off to an unpromising start, but the surprise was that investors took the news fairly well... Apple lost on a downgrade... Jaco Electronics soared... etc. |
