Shares of Opendoor Technologies (OPEN 13.94%) were skyrocketing again today, capping off a remarkable week for the online home-flipper, which has surged on a combination of a meme stock rally, a possible short squeeze, and a thesis shared on Reddit and X.com that the company could be the next Carvana -- a stock that has jumped more than 100 times after nearly going into bankruptcy a few years ago. Today's move also likely benefits from it being Options Friday, as monthly options expires on the third Friday ...