Stock Market Update

[BRIEFING.COM] The S&P 500 (+1.1%), Nasdaq Composite (+1.7%), and DJIA (+0.6%) are extending their gains shortly after midday.

Robinhood Markets (HOOD 79.17, +7.50, +10.46%) and Coinbase Global (COIN 186.64, +12.11, +6.94%) are among the best-performing S&P 500 components as Bitcoin trades 1.5% higher, reclaiming the $75,000 mark.

Delta Air Lines (DAL 71.87, +4.82, +7.19%) is another top-mover after Bloomberg reported the company has removed several environmental targets from its website.

United Airlines (UAL 98.67, +3.47, +3.64%) and American Airlines (AAL 12.17, +0.94, +8.38%) are sharply higher as well after United floated the possibility of a merger, according to Bloomberg.