This morning stocks looked to be headed for a sixth straight loss, but technical support at the 50-day moving average of 672 held and the index rose half a percent. It was the first gain in a week and came amid low trading value of less than USD100 million for a second day. Investors may test short-term resistance at 680 tomorrow. ROS reached its trading ceiling, extending a 528% spike higher since listing on September 1. The construction firm is now the ninth biggest stock in the index by marke