SLS, BB, OUST Hit 52-Week Highs on Monday, Rising Up to 28%

According to Stocktwits, on Monday shares of Sellas Life Sciences (SLS), BlackBerry (BB), and Ouster (OUST) reached 52-week highs amid a series of positive catalysts.

SLS surged more than 24% to $15.67 as investors awaited the company's Phase 3 REGAL trial results for acute myeloid leukemia immunotherapy. BB climbed more than 9% to $12.61 following strong Q1 2027 earnings and multiple Wall Street analyst price target hikes. OUST jumped more than 28% to $54.49 as retail traders grew increasingly optimistic about the company's growth prospects in physical AI and robotics.