(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 SaysTrump Rejects New Iran Peace Offer as ‘Totally Unacceptable’Inside a Year of Chaos and Conflict at Kevin Hart’s Media CompanyModi Asks Indians to Stop Buying Gold, Hitting Jewelr