The start of what is known as the best month of the year for the market saw the tech rally as Amazon.com Inc.'s $38 billion deal with OpenAI. It added fuel to the artificial intelligence market. Cryptocurrencies took a dive.

A new advance in mega-caps boosted a gauge of the "Magnificent Seven" by 1.5% higher. The ChatGPT maker will pay Amazon Web Services for access to hundreds of thousands of Nvidia Corp. graphics processing units as part of a seven-year deal. Shares of the online retail giant rose 4.5%.

Venezuela and PDVSA down 0.5 points

In Latin American credits, Argentina sovereign down 0.2 pts Buenos down -0.2pts the peso closing at ARS/USD 1480 the official dollar and ARS/USD 1528 the BCS.