MicroStrategy Inc. bought Bitcoin for a 12th consecutive week and unveiled details for the sale of perpetual preferred stock to help finance additional purchases of the cryptocurrency.

MicroStrategy’s stock is set to snap the longest losing streak it’s seen in a year after adding another bullish analyst on bitcoin to its camp.

MicroStrategy stock could surge more than 50% with the company’s Bitcoin strategy, according to Mizuho Securities analysts. Mizuho analysts led by Dan Dolev initiated coverage of MicroStrategy stock with an Outperform rating and $515 price target.