News bites: SoftBank says there is no need to improve Sprint bid

SoftBank President Masayoshi Son said there is no need for the company to improve its bid for Sprint, Reuters reports.

Recent hacker cases brought by the Justice Department have raised questions about how law enforcement should handle cybercrime, The Washington Post writes.

Online advertisers are working on serving ads to people across multiple devices, from their PCs to their mobile phones, The Wall Street Journal reports.

Colleges are experimenting with weaving online classes into the traditional class structure, according to The New York Times.

Financial regulators will discuss the fake AP tweet that sent the Dow Jones Industrial Average plunging during a meeting Tuesday, The Washington Post reports.