By Johann M Cherian and Ankika Biswas (Reuters) – Wall Street’s main indexes climbed in choppy trading on Wednesday, underpinned by strength in some megacaps, while caution ahead of inflation reports and big bank earnings later in the week kept investor sentiment in check. Microsoft, Alphabet and Amazon.com rose between 0.4% and 1.4%, as yield on the benchmark 10-year note inched lower ahead of a highly anticipated government bond auction. [US/] Megacap stock Nvidia also gained 2.1% to hit a record high after TSMC, the world’s largest contract chipmaker, beat fourth-quarter revenue expectation…

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