I’m not sure if the stock market has reached its ultimate low for the Great Bear Market of 2007-9.  But even if additional declines lie ahead, there are probably a few stocks worth buying anyway.

President-elect Barack Obama has promised the biggest infrastructure upgrade America has seen since the 1950s. This is great news for those in the nuts-and-bolts business of construction and repairs. Chris Mayer says Astec Industries (NASDAQ:ASTE) and Northwest Pipe (NASDAQ:NWPX) are two strong companies set to benefit from an Obama stimulus.

As Wall Street descends into chaos, many investors are happy to sit on the sidelines holding cash. But there are still profits to be made for big-picture investors.

Chris Mayer says the next “megatrend” will be a $41 trillion global infrastructure boom. Urbanization on a massive scale in China and India requires huge construction projects. And this will create huge demand for building materials (like cement and steel) and basic commodities (iron ore, copper and nickel).

Chris says power-grid builder ABB (NYSE:ABB) and road-building equipment maker Astec Industries (NASDAQ:ASTE) are stocks to watch…