the uslisted shares of nanobiotix sa nbtx blasted 2217 higher on massive volume friday to pace all gainers trading on major us exchanges after the francebased biotechnology company said it entered into final contract negotiations for the commercialization of its cancer treatment trading volume exploded to 279 million shares compared with the fullday volume over the past 30 days of about 3200 shares the company said the negotiations come after an agreement to a nonbinding term sheet with a “major global pharmaceutical company” for development and commercialization of its lead nanotherapeutic candidate