Stocks making the biggest moves midday（1）: Twitter, Johnson & Johnson and Airline stocks

$Johnson & Johnson(JNJ.US)$ — Shares of the pharmaceutical and consumer giant gained 3% after the company beat earnings expectations in its first-quarter report. Still, J&J lowered its full-year sales and earnings outlook and stopped providing Covid-19 vaccine revenue guidance due to a global supply surplus and demand uncertainty.

$Twitter (Delisted)(TWTR.US)$ — Shares of the social media giant dipped 1% on news that Apollo Global Management is reportedly considering financing a potential takeover of Twitter. To be sure, the firm is not interested in joining a private equity consortium in a buyout bid. Apollo's stock rose 2.8% following the report.

Airline stocks — Airline stocks jumped after the Transportation Security Administration said it is no longer enforcing mask mandates on planes. The news comes after a federal judge in Florida ruled that the CDC had overstepped its authority with the mandate. Shares of $Delta Apparel(DLA.US)$ , $United Airlines(UAL.US)$ and $American Airlines(AAL.US)$ rose 3.1%, 4% and 5.7%, respectively.