U-Turn: Sensex, Nifty erase gains after hitting record highs

From the Sensex pack, Infosys, HCL Tech, TCS, and Bharti Airtel opened higher, while Tata Motors, Kotak Mahindra Bank, Bajaj Finance, and ICICI Bank opened in the red.Shares of Kotak Mahindra dropped 2% after US short-seller Hindenburg said that the lender created and oversaw a fund that Hindenburg investors used to short Adani stocks.