NEW YORK ( TheStreet) -- A Morgan Stanley ( MS) investment banker is being investigated for allegedly leaking market-sensitive information, in the latest twist to the Galleon Group insider trading probe, according to Reuters, which was citing The Wall Street Journal. Kamal Ahmed is accused of leaking the fact that Advanced Micro Devices ( AMD)was interested in buying ATI Technologies in 2006 before the eventual deal became public, Reuters wrote, citing a letter from prosecutors to attorneys for Galleon Group founder Raj Rajaratnam. That information was eventually passed along to Rajaratnam, according to the allegations. Rajaratnam, at the center of the probe, will be tried next month. Ahmed is the first Wall Street banker to be drawn into the investigation, according to Reuters. "If proven to be true, the alleged conduct would be a violation of Morgan Stanley's values and policies. We have placed the banker on leave and are fully cooperating with the government's investigation," wrote a Morgan Stanley spokesman via e-mail. -- Written by Dan Freed in New York.