(RIO-) is in an uptrend but could lose its momentum

(23-May-2008) (23-May-2008) (RIO-) closed at 32.65, up 1.62 or 5.22 % for the day. Based on our analysis, (RIO-) is in an uptrend but could lose its momentum.

The closing price of (RIO-) is above its 50 day moving average of 31.85 (Designated by blue line). This indicates that the trend is up. The MACD histogram(Gray bars on the bottom) below the signal line(Dark Red Line) tells us that (RIO-) is losing momentum. Sustained loss of momentum could put the uptrend at risk. The MACD histogram crossed below the signal line on 23-May-2008, about 10 trading days ago.