AXT Inc. climbed by 15.69 percent on Thursday to close at $121.02 apiece, in line with its participation at a conference during the day. Investors loaded portfolios in anticipation of business updates from its participation in the 26th Annual B. Riley Securities Institutional Investor Conference in Los Angeles, California, on the same day. Ten stocks posted eye-popping gains on Thursday, as investors digested a flurry of industry developments, including the US government's financial backing, sparking buying ...