Dow, S&P post 1st 2-week losing streak since August

(CNBC) U.S. stocks fell on Friday as worries about tax reform lingered on Wall Street.

The Dow Jones industrial average declined 100 points, with Wal-Mart leading decliners on the 30-stock index. The retailer's stock rallied to an all-time high on Thursday on strong quarterly results. On Friday, it fell more than 2 percent.

The S&P 500 finished 0.2 percent lower, with utilities and information technology as the worst-performing sectors.

The Dow and S&P 500 also posted their first two-week losing streak since August.

Read the full story ›