(Bloomberg) -- Cerebras Systems Inc. increased the size of its initial public offering, now seeking to raise as much as $4.8 billion, as demand for the artificial intelligence chipmaker and data center operator’s shares continues to build.Most Read from BloombergIran Makes New Offer on Uranium in Response to US, WSJ SaysInside a Year of Chaos and Conflict at Kevin Hart’s Media CompanyTrump Rejects New Iran Peace Offer as ‘Totally Unacceptable’Modi Asks Indians to Stop Buying Gold, Hitting Jewelr