SPAIN SHRINKS: News that Spain's economy entered another recession renewed worries about the fragility of Europe's finances Monday and nudged stocks lower. The worry is that Spain's size could make it difficult to rescue.
BIGGEST LOSER: Health insurer Humana fell 8 percent, the biggest drop in the Standard & Poor's 500 index, after reporting lower profits as the company paid more in claims.
APRIL RESULTS: The S&P 500 index slipped 0.8 percent in April, its first month in the red since November. The Dow Jones industrial average added 1.59 points in April, narrowly avoiding its first monthly loss since September.