Big Tech earnings are almost here. These are the biggest storylines worth watching.

Group 1: Earnings Reports Overview - Approximately $15 trillion in market capitalization is set to report earnings within a 36-hour period, including major companies like Alphabet, Meta, Microsoft, Amazon, and Apple [1] - The earnings reports are significant not only for their size but also due to the ongoing AI debate, which could impact share prices and market sentiment [1] Group 2: Alphabet - Focus is on Google's Cloud business, which is gaining momentum with new AI-related contracts from companies like OpenAI and Meta, as well as a significant deal with Anthropic [2] - Investors are particularly interested in Google's Tensor Processing Units (TPUs), which could pose a competitive threat to Nvidia [3] Group 3: Meta - Meta is investing heavily in AI, with a $30 billion data center project in Louisiana and plans to spend up to $72 billion this year on AI infrastructure [4] - The company needs to demonstrate that its advertising revenue can support its substantial AI investments, especially following its previous focus on the metaverse [5] Group 4: Microsoft - There is significant investor interest in Microsoft's relationship with OpenAI, although details are not expected to be disclosed during the upcoming earnings call [6]