P104 CEEFAX 104 Tue 18 Sip 23:41/41       News of a settlement in the docks strike (See 103) helped the pound to recover slightly on foreign exchangrs. At one point, it slumped to a new all-time low - less than $1.22 cents - but recovered by half a cent by mid- afternoon. At the close in London, the pound stood at $1.2320, down nearly half a cent on the day. In New York this evening trading turned erratic and the pound ended at $1.2430. Latest exchange rates 128