Tweet this: Twitter insiders aren't cashing out yet

Twitter's founding fathers became billionaires on paper when the social media company went public in November.

But Jack Dorsey and Evan Williams say they have no immediate plans to turn those paper gains in to cold, hard cash once they have the opportunity in May.

Under federal securities law, company insiders must wait six months before selling any shares following an initial public offering.

The so-called "lock up period" is designed to discourage MORE

Americans love Corona, but is it paying off for investors?

Bottoms up! Constellation is cashing in on America's love affair with Corona.

Shares of Constellation Brands (STZ) opened sharply higher Wednesday after the beer and wine company reported strong quarterly results, although the stock has now fallen back.

The buzz kill came after Constellation executives said on a conference call with analysts that the cost of expanding a brewery in Mexico would be much higher than previously expected.

The company raised its estimate MORE

Time for market panic? Depends who you ask...

It should be another good year for the stock market. Not spectacular, but positive.

That's the general consensus among the investment strategists CNNMoney polled in a recent survey. See the full results here.

Of course, some were more bullish than others, and one was downright bearish.

Gary Flam, a portfolio manager at Bel Air Investment Advisors, had the lowest target for the S&P 500 among the 26 investment professionals in CNNMoney's survey. He MORE

Bond king Bill Gross loves money...and cats

What do cats and bonds have in common?

Not much, but that doesn't stop Bill Gross from dedicating his latest monthly investment outlook to his recently deceased feline companion.

The letter is titled "Bob," in honor of the Gross family's Maine Coon "Kitty," which passed away last week.

By the way, Gross is the chief investment officer at Pimco, the world's largest bond fund, which has nearly $2 trillion in assets under management.

Granted, MORE

Flash Boys face off: Michael Lewis on CNBC

High-frequency trading is the talk of Wall Street this week, but it turned to high-frequency blows today when Michael Lewis went on CNBC to discuss his controversial new book "Flash Boys".

Lewis appeared with Brad Katsuyama, one of the few heroes in his book, to discuss the issues with rapid trading and whether the stock market is "rigged".

Things got a little heated when the president of BATS Global Markets, a stock MORE

A tale of two megabanks: BofA vs. Citi

It might be a stretch to say this is a "best of times, worst of times" scenario in American banking, but more than five years since Wall Street hemorrhaged, some financial institutions are recovering better than others.

The nation's biggest banks just had their annual check up and the results were starkly different for two of the nation's largest financial institutions: Bank of America (BAC) and Citigroup (C).

Bank of America looked like MORE

Tesla tops Google in March Stock Mania

Elon Musk made his mother proud Monday.

The tech mogul's electric car company, Tesla Motors (TSLA), narrowly beat out Google (GOOG) in CNNMoney's fourth annual March Stock Mania contest. In the final round, Tesla took home 52% of the vote in this year's competition, compared with 48% for last year's champ.

The victory did not go unnoticed. After CNNMoney's Paul R. La Monica posted the news on Twitter early Monday, Musk's mother, MORE

Morningstar worried about Pimco corporate culture

Pimco's corporate culture has suffered since the giant bond fund lost one of its top leaders, according to a report issued Tuesday.

Morningstar, an influential investment research firm in Chicago, said that the resignation of CEO Mohamed El-Erian in January raised "a higher degree of uncertainty" about the world's largest bond manager.

Morningstar did not change the ratings on any of Pimco's funds though. Morningstar rates funds via stars and they are MORE

Fabrice Tourre fined a 'fabulous' $825,000

A judge in New York has ordered Fabrice Tourre, a former Goldman Sachs (GS) executive, to pay $825,000 in civil penalties for his part in a mortgage deal that prosecutors say was designed to fail.

Tourre was the only person named by the Securities and Exchange Commission when it accused Goldman in 2010 of defrauding investors in the 2007 sale of securities tied to subprime mortgages.

The SEC claimed that Tourre and MORE

Ackman goes after Herbalife. Again

Is Bill Ackman the boy who cried pyramid scheme?

As expected, Pershing Square, Ackman's $11 billion hedge fund, released a report Tuesday that it says shows nutritional supplement company Herbalife (HLF) is operating in violation of Chinese law.

The report is based on research that Pershing and a third-party in China conducted on Herbalife's complex compensation plans and its recruiting tactics, Ackman said in a conference call. It includes interviews with Herbalife salespeople MORE