By Patrick Clark 10/02/12 2:07pm

secret sauce

einhorn

Chipotle Shares Head South on David Einhorn’s Short Bet

Chipotle shares fell as much as 7.2 percent after Greenlight Capital founder David Einhorn said he was betting against the company today at the Value Investing Conference.

That the stock fell on Mr. Einhorn’s pronouncement is not surprising—as The Wall Street Journal reported earlier this month, markets typically respond to Mr. Einhorn’s public comments on companies as copycats pile into his bets. Indeed, the Einhorn Effect is greater when the hedge fund manager takes a negative view of a company, with a median same-day decline of 4.9 percent on the nine shorts The Journal included in its study. Read More

By Drew Grant 1/18/12 5:00pm

McDonald's

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McDonalds worst idea yet: social media

The Best Tweets from ‘McDStories’ Hashtag Disaster


You’d have thought that Taco Bell’s tweet on Martin Luther King Day– “Have you ever dreamed about eating @TacoBell and then woke up and made that dream come true?” –would have been bad enough to scare off any other fast food chains from making another social media blunder this week. But like a line of delicious, deep-fried dominoes, McDonald’s has now toppled in the face of the almighty force that is thousands of bored, scabby teens. Read More