The stock has become controversial.One of the hottest stocks on Wall Street has been GigaCloud Technology (GCT -4.69%), which was up 470% in the year ending May 23. However, the stock's meteoric rise has also led to scrutiny of the company among investors.The stock has about 9% of its shares sold short, and has been the subject of two recent scathing reports from short-sellers. Note that short-sellers make money when the stock they are short on goes down. Below is a look at why the stock has been on a tear ...