The recent news about strong improvements in demand at services businesses and in the housing market added to an optimistic mood. White House economic adviser Larry Summers said in a newspaper interview with the Financial Times that the US economy is on the path to achieving self-sustaining growth - read more about this optimistic opinion...
Also read why US stocks look better and better, at least in the short run.
From the technical analysis side, the expectations are also positive, at least in a short run. The chart below represents SP-500 forecast for April calculated by Neural Network Stock Trend Predictor NNSTP-2. Neural Network forecast shows uptrend for April 2010:

The next chart shows Cycle Analysis forecast by Stock Market Analyzer-Predictor SMAP-3. It indicates a small uptrend until the middle of the April. Although it does not look so optimistic as previous one but after some correction at the end of May, the bigger uptrend is predicted again:
