More than five weeks into a market uptrend, some stocks remain in a buy zone. The uptrend, of course, was lackluster until Wednesday's boisterous action. Before that leap, the uptrend moved in and out of pressure. Overall, action was hesitant. For that reason, it's not necessarily a mark against a stock if a breakout hasn't made much progress. Homebuilder Ryland Group (RYL) cleared a 35.94 buy point Dec. 18 in heavy volume. The stock rose almost