Big day for stocks

What's up with the market? I thought investors were heading for the hills, especially since we're entering the three months of the year when very bad things can happen to most any portfolio. As can be expected, there's no satisfactory explanation for Wall Street's activity (other than a few good earnings reports and a technically bullish change in the S&P 500 index's 20-day moving average - don't ask). Anyway, the Dow was up 208 points on the day, to 10,674. Enjoy it while you can.