12:30 PM EDT, 07/22/2024 (MT Newswires) -- US equity indexes rose, led higher by technology and communication services, after midday on Monday.

The Nasdaq Composite jumped 1% to 17,908.1, with the S&P 500 up 0.6% to 5,538.7 and the Dow Jones Industrial Average 0.01% higher at 40,290.1. Consumer staples and energy were the twin decliners intraday.

Over the weekend, President Joe Biden pulled out of the 2024 presidential elections and endorsed Vice President Kamala Harris as the Democratic Party nominee.

Most Treasury yields traded little changed intraday, while the two-year rose 1.8 basis points to 4.52%.

In company news, IQVIA Holdings ( IQV ) jumped more than 5%, the top performer on the S&P 500, after reporting higher Q2 adjusted earnings and revenue. The company also raised its 2024 adjusted earnings per share forecast.

CrowdStrike Holdings' ( CRWD ) financial outlook faces some uncertainty over the next one to two quarters following last week's global technology outage, while the cybersecurity company can likely limit "reputational damage" in the longer term, Morgan Stanley said Monday. Its shares sank more than 13% intraday, the worst performer on the S&P 500 and the Nasdaq.

Meanwhile, Delta Air Lines ( DAL ) cancellations continued to mount on Monday as the carrier worked to recover from Friday's global tech outage. Shares fell 2% intraday.

In economic news, the Chicago Federal Reserve Bank's monthly National Activity Index fell to 0.05 in June from 0.23 in May, compared with expectations for minus 0.09 in a survey of analysts compiled by Bloomberg. The three-month moving average improved to minus 0.01 from minus 0.08.

West Texas Intermediate crude oil slipped 0.3% to $79.89 a barrel.