Talk about piping hot, how about Diedrich Coffee (DDRX)? The company's shares have been steaming higher for quite awhile now, racing up a stunning 17,000% in the last year from about 20 cents per share at this time in 2009 to around $35 today.

Last summer, the roaster and wholesaler of fine coffees was added to the small-cap Russell 2000 Index. Making it into the Russell 2000 means many indexed ETFs and mutual funds had to put DDRX shares in their portfolio. But it's not just the inclusion of DDRX into the Russell 2000 that makes it worth pouring into your portfolio. The company then saw shares explode after a buyout battle ensued between rival coffee companies.

For millions of Americans, and indeed for millions around the globe, there's nothing like a piping hot cup of coffee to help kick-start the day. It's the beverage of choice for the hordes on Wall Street, many of whom rely on a strong cup of java to help propel them through a stressful trading day.

But Wall Street pros don't just relegate their relationship with coffee to what's inside their mugs. For many professionals, as well as for many individual investors, coffee is more about buying and selling shares of the best coffee stocks out there.

The past month has been nirvana for the shareholders of Diedrich Coffee (DDRX ), at least for those who held on. The company was the object of a fierce bidding war from Green Mountain Coffee Roasters (GMCR) and Peet's Coffee (PEET).

But today, the hostilities are over as Green Mountain finally won the battle. The company has agreed to pay $35 per share for Diedrich (the bidding started at $26). Keep in mind that -- about a year ago -- the shares were trading at 21 cents.

Diedrich Coffee (DDRX) continues to be the belle of the ball in the caffeinated beverage sector. Green Mountain Coffee Roasters (GMCR) Wednesday hiked its offer to acquire Diedrich, raising the bid from $32 per share to $35 in cash. The deal's total value now stands at $290 million.

"We are eager to start realizing the benefits of this transaction for our shareholders as quickly as possible, and therefore after careful deliberation, we determined to enhance our proposal to $35.00 per Diedrich share," explained Lawrence J. Blanford, CEO of Green Mountain Coffee.

Today started out strong and stayed positive all day, even if some commented that the highs were not held. The weak dollar helped commodities and helped stocks. A 10.1% October sales rise by the National Association of Realtors by those trying to get the home buyer tax credit didn't hurt either. Ditto for a reiteration that the recession is over.

Here were today's unofficial closing bell levels:

Dow 10,450.04 +131.88 (1.28%)
S&P 500 1,106.13 +14.75 (1.35%)
Nasdaq 2,175.96 +29.92 (1.39%)

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Just about a year ago, the shares of Diedrich Coffee (DDRX) were trading around 30 cents. Since then, it's been an incredible ride as the shares have reached $33.

Over the past month, Diedrich Coffee has actually been the target of a heated buyout battle from Peet's Coffee & Tea (PEET) and Green Mountain Coffee Roaster (GMCR). In fact, Monday Peet's upped its bid to $32 or $265 million. Investors think the bidding is not over, though.

Analyst upgrades:

• FBR Capital upgraded Overseas Shipholding (NYSE: OSG) to Outperform from Market Perform following the Q3 results as it believes the worst quarters are behind the company. The firm raised its target on shares to $48 from $35.
• Deutsche Bank upgraded Corporate Executive Board (NASDAQ: EXBD) to Hold from Sell following the Q3 results to reflect the company's lower costs. The firm raised its target on shares to $22 from $18.
• RBC Capital upgraded Enbridge (NYSE: EEQ) to Sector Perform from Underperform after the company's partnership produced significantly higher than expected DCF. In addition, the firm raised its price target by $5 per unit to $46 to reflect an improved distribution schedule and more favorable debt leverage.
• Royal Dutch Shell (NYSE: RDS.A) was upgraded to Neutral from Underperform at Credit Suisse.
• BioForm Medical (NASDAQ: BFRM) was upgraded to Overweight from Neutral at Piper Jaffray.
• Alliance Data Systems (NYSE: ADS) was upgraded to Buy from Neutral at SunTrust.

Traders had on their rally caps today, and the DJIA moved as high as 9,823 as it renewed its ascent toward 10,000. The index moved back down a bit at the end of the day as traders got lazy during a session in which most of the news came before the bell.

Abbott Laboratories (NYSE: ABT) and Xerox Corporation (NYSE: XRX) both announced deals today that pumped some air into the M&A business. Financial shares are mostly moving higher because increased M&A activity generally means more fees for financial services companies. Trading volume was light, mostly due to the Yom Kippur holiday today.

Today's numbers:

Dow 9,789.44 +124.25 (1.29%)
S&P 500 1,062.88 +18.50 (1.77%)
Nasdaq 2,130.74 +39.82 (1.90%)

Talk about piping hot, how about Diedrich Coffee Inc. (NASDAQ: DDRX)? The company's shares have been steaming higher for quite awhile now, and recently received an extra shot of potential buyers.

On June 26, the roaster and wholesaler of fine coffees was added to the small-cap Russell 2000 Index. Making it into the Russell 2000 means many indexed ETFs and mutual funds had to put DDRX shares in their portfolio.

For millions of Americans, and indeed for millions around the globe, there's nothing like a piping hot cup of coffee to help kick start the day. It's the beverage of choice for the hordes on Wall Street, many of whom rely on a strong cup of java to help propel them through a stressful trading day.

But Wall Street pros don't just relegate their relationship with coffee to what's inside their mugs.