Shares in money-losing movie theatre chain AMC continued their dizzying rise on Wednesday, doubling in value as retail traders continue to pile into the company on the theory that they’ve caught Wall Street investors in a squeeze.

AMC shares briefly topped $70 a share at one point on Wednesday, more than twice the $32 level they closed at the day before.

Even that $32 level is about three times what the company was worth barely a month ago. The company has become