Deere (DE) reported fourth-quarter results today. Even though the well-known maker of agricultural equipment had a tough year, the company's stock currently sits near a 52-week high as the bulls hope the worst is behind it.

On an adjusted basis, Deere posted a profit of 23 cents per share. This number easily beat the analysts, as they believed Q4 was only worth about 3 cents per share, according to our earnings preview.

TheStreet.com's Jim Cramer says it's not too late to get on board these rocket ships.

During the great narrow bull market that was 2006-2007, anyone who hitched a ride on any bulk or oil carrier, any DryShips (DRYS) (Cramer's Take) or Diana (DSX) (Cramer's Take), or any Frontline (FRO) (Cramer's Take) or Nordic American Tanker (NAT) (Cramer's Take), or anyone who bought anything ag-related -- Deere (DE) (Cramer's Take), Monsanto (MON) (Cramer's Take), Potash (POT) (Cramer's Take) -- looked like a genius.

Beginning midyear last year, you looked like a moron.

"We're finding positive opportunities in Asia," says Richard Schmidt. In his Stellar Stock Alert, he looks to a play on China's infrastructure: Rino International (RINO).

"China is very aware of the need for infrastructure to power economic growth. The better your energy production and transportation systems, the better your economy is going to do.

"As a result, China has made a massive investment into expanding and shoring up its infrastructure. We see this as a major investment opportunity.

The Street.com's Jim Cramer says that OPEC may take oil out of the equity-market equation and make stock-picking matter again.

If OPEC says it likes an oil price in the $75-78 range, as it said today, we could be looking at a nirvana moment for stocks. We know that any time oil bounces, the S&P 500 futures go up. Any time it goes down, the S&P futures go down. But if OPEC wants to keep it right here, we take oil out of the equation and make stock-picking matter again.

Right now, the Saudis are telling the big oil-shipping companies that they want to bring 1 million barrels a day into the market straight away to keep oil below $80. That can be used to overwhelm the speculators who are tying up as much as 20% of the oil fleet in the world to keep oil off the market and buoy its price. But they will not bring the oil to the market below $75.

Last week, under the guise of betting on America, Warren Buffett and his Berkshire Hathaway (BRK.A) made an offer to buy all outstanding shares of Burlington Northern (BNI) for a significant premium.

In making the announcement, Buffett confidently claimed that rail would play a big role in the recovery of the economy. What he did not say was that this was a bet on the U.S. dollar.

Nothing says manufacturing like Caterpillar (CAT). Those monster trucks made for earth-moving, digging and trucking are the epitome of making stuff in the good old USA.

Emerging markets are gaining confidence in building again, and a declining dollar makes Caterpillar equipment cheap for them. So, look for big sales gains in Caterpillar as the dollar drops.

As companies try to find ways to cut costs, one popular approach is to leverage software. And an area that is getting lots of traction is supply chain management. Hey, it's worked for companies like Wal-Mart (NYSE: WMT), right?

A leader in the supply chain software space is JDA Software (NASDAQ: JDAS). Well, now the company is going to get bigger; that is, it will purchase i2 Technologies (NASDAQ: ITWO) for $396 million. In fact, the deal will make JDA the world's largest player in the supply chain space.

I'm reiterating my Buy rating for Caterpillar Inc. (NYSE: CAT), first recommended on April 13, 2009, at a price of $33.02. If you bought CAT in April, you're up about 68%.

The growth story remains the same regarding Caterpillar: after a global recession that substantially reduced demand, the U.S. and global recoveries will enable construction and agriculture equipment to continue to rebound. Caterpillar's recent increase in its FY2009 EPS guidance to $1.85-2.05 adds to the positive mix. The First Call FY2009/FY2010 EPS estimates for CAT are $2.00 to $2.67.

There is no question that the recession took its tool on Caterpillar Inc. (NYSE: CAT). The company saw its stock plummet from mid 2008 through March of this year. Along the way the company was forced to layoff employees to help lower costs, but it announced today that it would be rehiring 550 of its laid off workers.

Chief Executive Officer Jim Owens announced the news and stated that the company was pleased that "signs of recovery in the global economy" is allowing it to bring back some employees.

Here are some highlights from last week's earnings coverage from BloggingStocks:

• AirTran Holdings Inc. (NYSE: AAI) reported its third consecutive quarterly profit and will increase capacity.
• Amazon.com Inc. (NASDAQ: AMZN) shares soared after it reported very strong Q3 numbers.
• Apple Inc. (NASDAQ: AAPL) reported stellar Q4 results, driven by the popularity of Macs and iPhones.
• BlackRock Inc. (NYSE: BLK) Q3 earnings soared, due in part to a tax benefit, and assets managed grew.
• Broadcom Corp. (NASDAQ: BRCM) revenue surged sequentially but note the would be flat going forward.
• Caterpillar Inc. (NYSE: CAT) beat Q3 earnings expectations and shares rose though revenue slumped.

Analyst upgrades:

• FBR Capital upgraded M&T Bank (NYSE: MTB) to Market Perform from Underperform following the Q3 results to reflect the company's improved earnings outlook and better credit trends. The firm has a $70 price target on shares.
• Kaufman Bros. upgraded Autodesk (NASDAQ: ADSK) to Buy from Hold as it believes a bottom has been reached in the manufacturing and construction industries. The firm raised its target on shares to $30 from $26.
• Goldman upgraded Caterpillar (NYSE: CAT) to Neutral from Sell and raised its target to $64 from $48 citing improved cost controls and construction outlook.
• Pentair (NYSE: PNR) was upgraded to Buy from Hold at KeyBanc.
• Lexmark (NYSE: LXK) was upgraded to Neutral from Underweight at JPMorgan.
• Stryker (NYSE: SYK) was upgraded to Neutral from Underperform at BofA/Merrill.

Caterpillar (NYSE: CAT) is doing great. The stock is hot, and even though the company is still reporting sales and earnings declines, you just know that the fundamentals will eventually get better. In the meantime, management is doing its best to beat earnings expectations.

Yesterday, management succeeded. For the third quarter, according to our Closing Bell post, Caterpillar said it made 64 cents per share. Analysts were expecting only 6 cents per share. Well, something was off there, huh? Anyway, according to the actual press release, sales decreased over 40%, and per-share profit was off by 15%, but really, it didn't matter to the market. Shares of the heavy equipment maker closed higher by 3%, on heavy volume.

Despite some very tame inflation reports, the housing data was deemed as a disappointment. Investors used today's early strength to sell stocks to lock in profits or to take at least some money off the table. Of the five DJIA components which reported earnings, the pre-earnings gains were astounding on most of them.

Here were today's unofficial closing bell levels:

Dow 10,041.48 -50.71 (-0.50%)
S&P 500 1,091.07 -6.84 (-0.62%)
Nasdaq 2,163.47 -12.85 (-0.59%)

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Analyst upgrades:

• American Express (NYSE:AXP) was upgraded to Market Perform from Underperform at FBR Capital, as the firm sees limited near-term downside in the stock. The firm raised its target price on the shares to $37 from $25.
  
• RBC Capital upgraded Estee Lauder (NYSE:EL) to Outperform from Sector Perform. Target to $44 from $34. UBS upgraded Nestle on expectations the company will begin returning cash to shareholders via buybacks and dividends.
  
• Piper Jaffray raised Dicks Sporting (NYSE:DKS) to Neutral from Underweight following positive channel checks and raised its target on the shares to $28 from $18.
  
• Sohu.com (NASDAQ:SOHU) was upgraded to Neutral from Sell by Pali Capital.
  
• Halliburton (NYSE:HAL) was raised to Buy from Hold by Natixis.
  
• Sunpower (NASDAQ:SPWRA) was upgraded to Neutral from Underperform at Macquarie.
• China Automotive (NASDAQ:CAAS) was upgraded to Buy from Neutral at Merriman.

Rising oil prices a positive development for economies around the world? For the new investor, that may appear to be a contradiction in terms, but experienced investors know it's not.

The International Energy Agency's 350,000 barrel-per-day (bpd) increase in its 2010 global oil demand forecast to 86.05 million bpd is a positive development for both the U.S. and global economies – positive, that is, provided oil prices don't return to stratospheric levels.