Why Is Aesthetic Medical (AIH) Stock Up 44% Today?

Group 1 - Aesthetic Medical (NASDAQ:AIH) stock is experiencing significant trading activity, with over 5.4 million shares traded, compared to its daily average of approximately 70,000 shares [1] - The stock has risen by 44% as of Wednesday morning, despite the absence of any clear news or announcements from the company [2] - AIH shares are classified as penny stocks, with a prior closing price of 34 cents and a market capitalization of $16.141 million [1] Group 2 - Heavy trading without news may indicate potential price manipulation by traders, particularly in penny stocks [2] - Investors are advised to exercise caution, as the stock may not sustain its recent gains [2]