Feb 2 : Oracle shares fell about 4 per cent in premarket trading on Monday, after it outlined plans to raise $45 billion to $50 billion this year to expand its cloud infrastructure, fueling investor concerns about its rising debt load. The software company, chaired by billionaire Larry Ellison, said the fundraising was aimed at expanding cloud capacity to meet contracted demand from major customers such as AMD, Meta, Nvidia, OpenAI, TikTok and xAI. While companies continue to ramp up capacity