Wall Street’s rally hit a wall Friday as investors dumped stocks amid a sharp jump in Treasury yields, another surge in oil prices and ongoing fears about the Iran war. The Dow Jones Industrial Average fell over 500 points in afternoon trading, while the S&P 500 slid more than 1% and the Nasdaq Composite dropped about 1.5% as traders fled high-growth tech names that had powered the market’s record-setting run in recent weeks. The selloff gathered steam after the 30-year Treasury yield shot