By Lisa Pauline Mattackal, Purvi Agarwal, Carolina Mandl (Reuters) -US stocks reversed course to rise on Tuesday afternoon while investors kept an eye on higher Treasury yields and continued to evaluate earnings to assess the health of American companies.

China's mainland shares posted modest gains as a lending rate cut juiced real estate stocks, but investors awaited more details on government stimulus.

Wall Street got a slap in the face this year. The S&P 500, the most-watched index, skyrocketed to a 23% gain, crushing expectations. Even the most aggressive bulls were caught off guard. Sell-side analysts have been scrambling,

In a copyright suit, News Corp titles say the AI firm is stealing content and revenue. News Corp is asking the court to block its use of the material.

The Wall Street Journal's parent company, Dow Jones, and the New York Post are suing AI-powered search startup Perplexity for using their content to train its large language models. Both News Corp. publications are accusing Perplexity of copyright infringement for using their articles to generate answers to people's queries,

(Reuters) -Media baron Rupert Murdoch's Dow Jones and New York Post filed a lawsuit against Perplexity AI on Monday, claiming the artificial intelligence startup engages in a "massive amount of illegal copying" of their copyrighted work.