S&P 500 closes the book on its biggest first-half plunge since 1970

The Dow Jones Industrial Average fell 219.61 points, or 0.71%, to 30,809.70

Wall Street ended the session lower on Thursday, crossing the finish line of a grim month and quarter, a dismal coda to the S&P 500's worst first half in more than half a century.

All three major U.S. stock indexes finished the month and the second quarter in negative territory, with the S&P 500 notching its steepest first-half percentage drop since 1970.

The Nasdaq had its largest-ever January-June percentage drop, while the Dow suffered its biggest first-half percentage plunge since 1962.

All three indexes posted their second straight quarterly declines. The last time that happened was in 2015 for the S&P and the