U.S. stocks open lower after Fed signals more interest-rate hikes ahead, ECB raises rates to 22-year high

U.S. stock indexes opened lower on Thursday after the Federal Reserve kept interest rates steady, but hinted they could restart hiking rates in the months ahead, while the European Central Bank lifted borrowing costs by a quarter of a percentage point to their highest level in 22 years. The S&P 500 SPX was down 7 points, or 0.2%, to 4,365. The Dow Jones Industrial Average DJIA shed less than 0.1% and the Nasdaq Composite COMP lost 0.4%. In U.S. economic data, retail sales for May were stronger than expected, rising 0.3% and showing surprising strength in a sign of durability of the current U.S. economic expansion. Meanwhile,…