(S (S (BASENP (DT This)) (VP (VBD was) (PP (ADVP (RB mainly)) (PP (JJ due) (PP (TO to) (NP (BASENP (NN bank) (NNS shares)) (VP (VP (VBG bouncing)) (CC and) (VP (VBG alleviating) (NP (BASENP (NNS fears)) (PP (IN about) (BASENP (DT the) (NN economy)))))))))))) (PERIOD .))