Ahn On Tuesday, the Dow Jones industrial average, already down 9 percent in 2008 on glum economic news , plummeted nearly 600 points (5 percent) before rallying after the announcement of an emergency three-quarter-point interest-rate cut by the Federal Reserve , the biggest such reduction in 24 years. Does 'on glum economic news' mean 'according to glum economic news' ? Or does it mean that the down of Dow Jones industrial average 'resulted from glum economic news' ?
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AhnOn Tuesday, the Dow Jones industrial average, already down 9 percent in 2008 on glum economic news, plummeted nearly 600 points (5 percent) before rallying after the announcement of an emergency three-quarter-point interest-rate cut by the Federal Reserve