SAO PAULO (Reuters) - Brazilian miner Vale said on Monday it agreed to form a joint venture with U.S.-based investment firm Global Infrastructure Partners (GIP) through its Brazilian renewable energy business Alianca Energia. In a securities filing, Vale said it would sell 70% of Alianca Energia to GIP, receiving about $1 billion in cash once the transaction is completed. Reuters...

SAN FRANCISCO, March 31 (Reuters) - Lightmatter, a startup valued at $4.4 billion, on Monday released two pieces of technology aimed at speeding up the connections between artificial intelligence chips. Instead of moving information between computer chips as electrical signals, Lightmatter's technology uses optical connections and what are known as silicon photonics to move the information using light. Mountain View,...

SAO PAULO, March 31 (Reuters) - Brazilian miner Vale said on Monday it agreed to form a joint venture with U.S.-based investment firm Global Infrastructure Partners (GIP) through its Brazilian renewable energy business Alianca Energia. In a securities filing, Vale said it would sell 70% of Alianca Energia to GIP, receiving about $1 billion in cash once the transaction is...

SAN FRANCISCO (Reuters) - Lightmatter, a startup valued at $4.4 billion, on Monday released two pieces of technology aimed at speeding up the connections between artificial intelligence chips. Instead of moving information between computer chips as electrical signals, Lightmatter's technology uses optical connections and what are known as silicon photonics to move the information using light. Mountain View, California-based Lightmatter...