Tilray (NASDAQ: TLRY), a marijuana grower based out of British Columbia, reported its second-quarter earnings after the bell yesterday. Though the company generated a meager $17.6 million in revenue during the first half of 2018, its market cap has soared to a towering $4.8 billion in only a matter of weeks.Since going public in July, the company's shares have appreciated by a mind-boggling 130%.