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Twitter Inc. just seized a title no company wants: the worst performer in the S&P 500 Index.
Shares of the social-media giant dropped about 35 percent in third-quarter trading, which ended Friday -- worse than every other company in the index.
Twitter’s tough quarter was set off by a disappointing earnings report. The stock plunged the most in four years after the firm said in July that monthly users had dropped by 1 million in the second quarter and predicted further declines as it fights against spam, fake accounts and malicious rhetoric. Shares sunk further earlier this month after an analyst at
