One struggling oil driller could be getting a lifeline from its billionaire founder, and now the stock is up 90% (SDRL, RIG, ESV)

Stocks aren't doing much, but we got a 170% rally somewhere in the market today. Shares of deepwater-drilling contractor Seadrill surged by as much as that on Friday. According to Bloomberg, the company's major billionaire owner John Fredriksen raised $150 million in cash that investors are speculating could be used as part of a bailout. Seadrill had said it will announce plans to restructure $11 billion in debt by the end of June. And so, Fredriksen's cash has investors that were short the sto...