Video: Was Monday's Tariff-Driven Market Selloff an Overreaction?

Stocks stabilized on Tuesday, following Monday's dramatic stock market selloff that was driven by fresh trade war fears.

Kenny Polcari, a managing director with O'Neil Securities, based on the floor of the New York Stock Exchange, expects the S&P 500 to retest its 50 and 100 day moving averages, which were broken on Monday.

On Tuesday, President Trump tweeted about possible tariffs against Harley Davidson (HOG) - Get Report if the company moves production outside of the U.S. - the stock fell 1% following the news, but the tweet wasn't enough to push the entire market into negative territory. 

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