Stocks are maintaining their bullish sentiment for the New Year. The proverbial “wall of worry” remains high and intimidating, but bulls traditionally prefer it this way. It makes the less optimistic investors keep a store of cash, and it keeps the bears pumping money into short positions—both of which can provide fresh fuel for stocks when idle cash gets put to work and the bears start covering their shorts.

After closing 2011 at exactly the same level it closed out 2010, the S&P 500 came blasting out of the gate with guns a-blazing on Tuesday to celebrate the New Year. It was a welcome sight to scores of nervous investors.