shares of twitter inc twtr tuesday jumped more than 27 after tesla inc tsla ceo elon musk disclosed a 92 stake in the microblogging site on cnbcs options action mike khouw of optimize advisors said that twitter traded more than 20 times its average daily volume on tuesday with over 156 million contracts being traded twitter become the busiest singlestock option he added check out other stocks making big moves in the premarket there were buyers of 190000 of the april 8 weekly 50 strike calls for an average price of 215 per contract khouw said the buyers of these contracts are betting that the stock rises at least another 4 by friday he added