Rail Rai Bonds Sho Show Forward Urge NEW NW YORK Aug Aug 21 W- W Bonds remained in an an uneven drift Thursday with many rails rais showIng showing show show- showing ing a tendency to move ahead near the final hour Best performances of the carriers carriers carriers car car- correlated with recently published published pub pub- revenue statements for the first filst half hal of the year Some of these showed striking increases in innet innet net income over 1940 and certain certai of the affected bonds have been increasingly responsive to the fa favorable fa- fa v rable showings