Nov 13 (Reuters) - The following are the top stories in

the Wall Street Journal. Reuters has not verified these stories

and does not vouch for their accuracy.

- Spirit Airlines ( SAVE ) is preparing to file for

bankruptcy protection after merger talks with Frontier Airlines

broke down.

- Volkswagen Group raised its investment in

electric vehicle startup Rivian by 16% to $5.8 billion,

as the companies kick off their planned joint venture to develop

EV architecture and software.

- Elanco Animal Health ( ELAN ) agreed to pay a $15 million

civil fine to settle U.S. Securities and Exchange Commission

anti-fraud charges for misleading investors about its revenue

growth and end-user demand.

- U.S. President-elect Donald Trump nominated South Dakota

Governor Kristi Noem to serve as the next homeland security

secretary.

- U.S. President-elect Donald Trump told allies that he

wants his former U.S. Trade Representative Robert Lighthizer as

the administration's trade czar.

(Compiled by Bengaluru newsroom)