Stocks fell sharply for the second time in three days Tuesday after a new batch of US corporate executives raised concerns about global economic growth. The Dow Jones industrial average finished the day down 1.8 percent, or 243.36 points, to end at 13,102.53, its worst performance since June. The losses added to the big declines on Friday and dropped leading indexes to their lowest levels since early September, before the Federal Reserve announced its latest monetary stimulus program. Since the Standard & Poor’s 500 index hit this year’s high of 1,465.77 on Sept. 14, the benchmark index has fallen 3.6 percent. It finished Tuesday down 1.4 percent, or 20.71 points, to 1,413.11.
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