The following stocks were among those that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
Delta Air Lines Inc., down 48 cents at $11.29
Airline shares fell on fears that new security restrictions could curtail business travel on lucrative international routes.
Fannie Mae, up 22 cents at $1.27
The Treasury Department removed limits on how much money it will spend to keep the Fannie Mae and Freddie Mac operating.
Sinovac Biotech Ltd., up 37 cents at $6.62
The Chinese vaccine maker filed an application to begin testing of a vaccine for a virus that causes hand, foot, and mouth disease.
Science Applications International Corp., up 17 cents at $19.20
The defense contractor has received a contract worth as much as $10 million from the U.S. Air Force.
Radware Ltd., up 55 cents at $14.77
The Israeli company, which makes network management software, lifted its fourth-quarter financial guidance.
Cal-Maine Foods Inc., up $2.50 at $33.31
The company, which produces and sells eggs, said its profit fell 41 percent as food-service and restaurant sales remained weak. But the results beat Wall Street expectations.
Amicas Inc., up $1.05 at $5.47
The company agreed to be acquired by private equity firm Thoma Bravo LLC in a deal worth about $217 million in cash.
Actuate Corp., up 46 cents at $4.47
An analyst said Actuate's takeover of Xenos Group Inc., another software company, should help it turn around declining revenue.