The upward movement follows U.S. president-elect Barack Obama's weekend pledge of a large public works plan to stimulate the economy and signs that North American automakers will get at least some of the government aid they've been seeking.0 i% `$ `+ B' i' ^" r. |4 o) K9 B" \ [
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$ o; w! S6 R# H3 rlarge public works plan 5 J4 g' A: X* _" W$ ?会有多大的意义