* S Mar 7 puts are seeing heavy volume interest today with ongoing TMUS speculation (the underlying stock pulling back from yesterday's late strength on chatter of financing deal). The S Mar 7 puts have traded more than 52K contracts vs only 710 open interest (implied vol: ~74%, prev day implied vol: 68%) -- two transactions of ~31K and ~10K contracts traded near the offer. Co reports earnings Feb 11 before the open.