Business

Two new books, “The Fixer” and “Regulatory Hacking,” explain why disruptive start-ups need to anticipate the regulatory reaction of the industry interests they threaten.

The subpoenas from federal prosecutors in Brooklyn suggest the authorities are intensifying an investigation into allegations of fraud against a network of doctors, lawyers and consultants.

A senior banker called Goldman Sachs’s whistle-blower hotline, a rare dissent by a partner at the firm. His superiors, including the next chief executive, told him to relax.

Technology was once used at big corporate events just to let you sign in or see the agenda. Now, it can record who you met, and for how long.

The Ad Council — along with G.E., Google, IBM, Microsoft and Verizon — is trying to encourage girls ages 11 to 15 to get involved in science, technology, engineering and math.

The elimination leaves Mr. Jones with a dearth of avenues to reach a mainstream audience.

The president has often taken to Twitter to criticize companies, but investors don’t appear to be taking the attacks too seriously.

Republican and Democratic states clash in oral arguments over whether the health law is unconstitutional now that Congress has eliminated the tax penalty for not having insurance.

Warner Bros., HBO and Turner Broadcasting must ensure that diverse actors and crew members are “considered” for jobs. Progress will be reported annually.

Colin Kaepernick’s campaign with Nike prompted anger online from those critical of the former N.F.L. quarterback’s protests of police killings of black people.