Stock markets to open flat with Sensex/Nifty wobbling as global cues and earnings drive sentiment. SBI gains after strong Q3, Lenskart and Federal Bank in focus, metals & PSUs active, IT slips while MSCI inclusion boosts Aditya Birla Capital & L&T Finance, Hindalco, Vedanta and LG Electronics eyed, FII flows and Q3 results across key sectors.