SIGMA - ALDRICH CORP (SIAL-Nasdaq): Technical Viewpoint: From a low of $41.00 on Feb 8, 2002 prices rallied, reaching a high of $48.06 on Mar 20, 2002. A decline saw prices pull back, reaching a low of $43.67 on Apr 15, 2002. Another rally saw prices penetrate resistance, closing 4/24/02 at $48.30. Technicals: MACD Index (MACD): A Buy Alert! was given on Apr 24, 2002 when the solid line crossed the dotted line to the upside. Support: Remains at $45.75. Resistance: Is at $49.38. Point & Figure: Reversed to the upside on Apr 24, 2002. A P&F upside reversal takes place at $46.50. Summary: Technical indicators have turned bullish. BUY! SIGMA - ALDRICH CORP (SIAL-Nasdaq) @ $48.50 Stop: Use a protective stop of $45.88. SIGMA - ALDRICH CORP is currently trading @ $48.30 plus $2.73 on Apr 24, 2002. Price Objective: $59.00. Risk/Reward: $2.63 VS. $13.13. Today's Risk Reward Ratio: 5:1